78974792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2406

約数の個数: 64

約数和(自身を含む): 177811200

約数和(自身を除く): 98836408

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1768, 1976, 2351, 2584, 4199, 4702, 8398, 9404, 16796, 18808, 30563, 33592, 39967, 44669, 61126, 79934, 89338, 122252, 159868, 178676, 244504, 319736, 357352, 519571, 580697, 759373, 1039142, 1161394, 1518746, 2078284, 2322788, 3037492, 4156568, 4645576, 6074984, 9871849, 19743698, 39487396, 78974792]

約数ペア:

[(1, 78974792), (2, 39487396), (4, 19743698), (8, 9871849), (13, 6074984), (17, 4645576), (19, 4156568), (26, 3037492), (34, 2322788), (38, 2078284), (52, 1518746), (68, 1161394), (76, 1039142), (104, 759373), (136, 580697), (152, 519571), (221, 357352), (247, 319736), (323, 244504), (442, 178676), (494, 159868), (646, 122252), (884, 89338), (988, 79934), (1292, 61126), (1768, 44669), (1976, 39967), (2351, 33592), (2584, 30563), (4199, 18808), (4702, 16796), (8398, 9404)]