1991613888

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5153}}^1$

素因数の和:5243

約数の個数: 168

約数和(自身を含む): 6330884976

約数和(自身を除く): 4339271088

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 61, 64, 66, 72, 88, 96, 99, 122, 132, 144, 176, 183, 192, 198, 244, 264, 288, 352, 366, 396, 488, 528, 549, 576, 671, 704, 732, 792, 976, 1056, 1098, 1342, 1464, 1584, 1952, 2013, 2112, 2196, 2684, 2928, 3168, 3904, 4026, 4392, 5153, 5368, 5856, 6039, 6336, 8052, 8784, 10306, 10736, 11712, 12078, 15459, 16104, 17568, 20612, 21472, 24156, 30918, 32208, 35136, 41224, 42944, 46377, 48312, 56683, 61836, 64416, 82448, 92754, 96624, 113366, 123672, 128832, 164896, 170049, 185508, 193248, 226732, 247344, 314333, 329792, 340098, 371016, 386496, 453464, 494688, 510147, 628666, 680196, 742032, 906928, 942999, 989376, 1020294, 1257332, 1360392, 1484064, 1813856, 1885998, 2040588, 2514664, 2720784, 2828997, 2968128, 3457663, 3627712, 3771996, 4081176, 5029328, 5441568, 5657994, 6915326, 7543992, 8162352, 10058656, 10372989, 10883136, 11315988, 13830652, 15087984, 16324704, 20117312, 20745978, 22631976, 27661304, 30175968, 31118967, 32649408, 41491956, 45263952, 55322608, 60351936, 62237934, 82983912, 90527904, 110645216, 124475868, 165967824, 181055808, 221290432, 248951736, 331935648, 497903472, 663871296, 995806944, 1991613888]

約数ペア:

[(1, 1991613888), (2, 995806944), (3, 663871296), (4, 497903472), (6, 331935648), (8, 248951736), (9, 221290432), (11, 181055808), (12, 165967824), (16, 124475868), (18, 110645216), (22, 90527904), (24, 82983912), (32, 62237934), (33, 60351936), (36, 55322608), (44, 45263952), (48, 41491956), (61, 32649408), (64, 31118967), (66, 30175968), (72, 27661304), (88, 22631976), (96, 20745978), (99, 20117312), (122, 16324704), (132, 15087984), (144, 13830652), (176, 11315988), (183, 10883136), (192, 10372989), (198, 10058656), (244, 8162352), (264, 7543992), (288, 6915326), (352, 5657994), (366, 5441568), (396, 5029328), (488, 4081176), (528, 3771996), (549, 3627712), (576, 3457663), (671, 2968128), (704, 2828997), (732, 2720784), (792, 2514664), (976, 2040588), (1056, 1885998), (1098, 1813856), (1342, 1484064), (1464, 1360392), (1584, 1257332), (1952, 1020294), (2013, 989376), (2112, 942999), (2196, 906928), (2684, 742032), (2928, 680196), (3168, 628666), (3904, 510147), (4026, 494688), (4392, 453464), (5153, 386496), (5368, 371016), (5856, 340098), (6039, 329792), (6336, 314333), (8052, 247344), (8784, 226732), (10306, 193248), (10736, 185508), (11712, 170049), (12078, 164896), (15459, 128832), (16104, 123672), (17568, 113366), (20612, 96624), (21472, 92754), (24156, 82448), (30918, 64416), (32208, 61836), (35136, 56683), (41224, 48312), (42944, 46377)]