247948428

素因数分解:

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

素因数の和:396

約数の個数: 144

約数和(自身を含む): 732883200

約数和(自身を除く): 484934772

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 163, 182, 196, 199, 273, 294, 326, 364, 398, 489, 546, 588, 597, 637, 652, 796, 978, 1092, 1141, 1194, 1274, 1393, 1911, 1956, 2119, 2282, 2388, 2548, 2587, 2786, 3423, 3822, 4179, 4238, 4564, 5174, 5572, 6357, 6846, 7644, 7761, 7987, 8358, 8476, 9751, 10348, 12714, 13692, 14833, 15522, 15974, 16716, 18109, 19502, 23961, 25428, 29253, 29666, 31044, 31948, 32437, 36218, 39004, 44499, 47922, 54327, 58506, 59332, 64874, 72436, 88998, 95844, 97311, 103831, 108654, 117012, 126763, 129748, 177996, 194622, 207662, 217308, 227059, 253526, 311493, 380289, 389244, 415324, 421681, 454118, 507052, 622986, 681177, 760578, 843362, 908236, 1245972, 1265043, 1362354, 1521156, 1589413, 1686724, 2530086, 2724708, 2951767, 3178826, 4768239, 5060172, 5903534, 6357652, 8855301, 9536478, 11807068, 17710602, 19072956, 20662369, 35421204, 41324738, 61987107, 82649476, 123974214, 247948428]

約数ペア:

[(1, 247948428), (2, 123974214), (3, 82649476), (4, 61987107), (6, 41324738), (7, 35421204), (12, 20662369), (13, 19072956), (14, 17710602), (21, 11807068), (26, 9536478), (28, 8855301), (39, 6357652), (42, 5903534), (49, 5060172), (52, 4768239), (78, 3178826), (84, 2951767), (91, 2724708), (98, 2530086), (147, 1686724), (156, 1589413), (163, 1521156), (182, 1362354), (196, 1265043), (199, 1245972), (273, 908236), (294, 843362), (326, 760578), (364, 681177), (398, 622986), (489, 507052), (546, 454118), (588, 421681), (597, 415324), (637, 389244), (652, 380289), (796, 311493), (978, 253526), (1092, 227059), (1141, 217308), (1194, 207662), (1274, 194622), (1393, 177996), (1911, 129748), (1956, 126763), (2119, 117012), (2282, 108654), (2388, 103831), (2548, 97311), (2587, 95844), (2786, 88998), (3423, 72436), (3822, 64874), (4179, 59332), (4238, 58506), (4564, 54327), (5174, 47922), (5572, 44499), (6357, 39004), (6846, 36218), (7644, 32437), (7761, 31948), (7987, 31044), (8358, 29666), (8476, 29253), (9751, 25428), (10348, 23961), (12714, 19502), (13692, 18109), (14833, 16716), (15522, 15974)]