77986792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 168739200

約数和(自身を除く): 90752408

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 152, 244, 247, 488, 494, 647, 793, 988, 1159, 1294, 1586, 1976, 2318, 2588, 3172, 4636, 5176, 6344, 8411, 9272, 12293, 15067, 16822, 24586, 30134, 33644, 39467, 49172, 60268, 67288, 78934, 98344, 120536, 157868, 159809, 315736, 319618, 513071, 639236, 749873, 1026142, 1278472, 1499746, 2052284, 2999492, 4104568, 5998984, 9748349, 19496698, 38993396, 77986792]

約数ペア:

[(1, 77986792), (2, 38993396), (4, 19496698), (8, 9748349), (13, 5998984), (19, 4104568), (26, 2999492), (38, 2052284), (52, 1499746), (61, 1278472), (76, 1026142), (104, 749873), (122, 639236), (152, 513071), (244, 319618), (247, 315736), (488, 159809), (494, 157868), (647, 120536), (793, 98344), (988, 78934), (1159, 67288), (1294, 60268), (1586, 49172), (1976, 39467), (2318, 33644), (2588, 30134), (3172, 24586), (4636, 16822), (5176, 15067), (6344, 12293), (8411, 9272)]