991793712

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 240

約数和(自身を含む): 3245625600

約数和(自身を除く): 2253831888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 163, 168, 182, 196, 199, 208, 273, 294, 312, 326, 336, 364, 392, 398, 489, 546, 588, 597, 624, 637, 652, 728, 784, 796, 978, 1092, 1141, 1176, 1194, 1274, 1304, 1393, 1456, 1592, 1911, 1956, 2119, 2184, 2282, 2352, 2388, 2548, 2587, 2608, 2786, 3184, 3423, 3822, 3912, 4179, 4238, 4368, 4564, 4776, 5096, 5174, 5572, 6357, 6846, 7644, 7761, 7824, 7987, 8358, 8476, 9128, 9552, 9751, 10192, 10348, 11144, 12714, 13692, 14833, 15288, 15522, 15974, 16716, 16952, 18109, 18256, 19502, 20696, 22288, 23961, 25428, 27384, 29253, 29666, 30576, 31044, 31948, 32437, 33432, 33904, 36218, 39004, 41392, 44499, 47922, 50856, 54327, 54768, 58506, 59332, 62088, 63896, 64874, 66864, 72436, 78008, 88998, 95844, 97311, 101712, 103831, 108654, 117012, 118664, 124176, 126763, 127792, 129748, 144872, 156016, 177996, 191688, 194622, 207662, 217308, 227059, 234024, 237328, 253526, 259496, 289744, 311493, 355992, 380289, 383376, 389244, 415324, 421681, 434616, 454118, 468048, 507052, 518992, 622986, 681177, 711984, 760578, 778488, 830648, 843362, 869232, 908236, 1014104, 1245972, 1265043, 1362354, 1521156, 1556976, 1589413, 1661296, 1686724, 1816472, 2028208, 2491944, 2530086, 2724708, 2951767, 3042312, 3178826, 3373448, 3632944, 4768239, 4983888, 5060172, 5449416, 5903534, 6084624, 6357652, 6746896, 8855301, 9536478, 10120344, 10898832, 11807068, 12715304, 17710602, 19072956, 20240688, 20662369, 23614136, 25430608, 35421204, 38145912, 41324738, 47228272, 61987107, 70842408, 76291824, 82649476, 123974214, 141684816, 165298952, 247948428, 330597904, 495896856, 991793712]

約数ペア:

[(1, 991793712), (2, 495896856), (3, 330597904), (4, 247948428), (6, 165298952), (7, 141684816), (8, 123974214), (12, 82649476), (13, 76291824), (14, 70842408), (16, 61987107), (21, 47228272), (24, 41324738), (26, 38145912), (28, 35421204), (39, 25430608), (42, 23614136), (48, 20662369), (49, 20240688), (52, 19072956), (56, 17710602), (78, 12715304), (84, 11807068), (91, 10898832), (98, 10120344), (104, 9536478), (112, 8855301), (147, 6746896), (156, 6357652), (163, 6084624), (168, 5903534), (182, 5449416), (196, 5060172), (199, 4983888), (208, 4768239), (273, 3632944), (294, 3373448), (312, 3178826), (326, 3042312), (336, 2951767), (364, 2724708), (392, 2530086), (398, 2491944), (489, 2028208), (546, 1816472), (588, 1686724), (597, 1661296), (624, 1589413), (637, 1556976), (652, 1521156), (728, 1362354), (784, 1265043), (796, 1245972), (978, 1014104), (1092, 908236), (1141, 869232), (1176, 843362), (1194, 830648), (1274, 778488), (1304, 760578), (1393, 711984), (1456, 681177), (1592, 622986), (1911, 518992), (1956, 507052), (2119, 468048), (2184, 454118), (2282, 434616), (2352, 421681), (2388, 415324), (2548, 389244), (2587, 383376), (2608, 380289), (2786, 355992), (3184, 311493), (3423, 289744), (3822, 259496), (3912, 253526), (4179, 237328), (4238, 234024), (4368, 227059), (4564, 217308), (4776, 207662), (5096, 194622), (5174, 191688), (5572, 177996), (6357, 156016), (6846, 144872), (7644, 129748), (7761, 127792), (7824, 126763), (7987, 124176), (8358, 118664), (8476, 117012), (9128, 108654), (9552, 103831), (9751, 101712), (10192, 97311), (10348, 95844), (11144, 88998), (12714, 78008), (13692, 72436), (14833, 66864), (15288, 64874), (15522, 63896), (15974, 62088), (16716, 59332), (16952, 58506), (18109, 54768), (18256, 54327), (19502, 50856), (20696, 47922), (22288, 44499), (23961, 41392), (25428, 39004), (27384, 36218), (29253, 33904), (29666, 33432), (30576, 32437), (31044, 31948)]