642481088

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1531}}^1$

素因数の和:1705

約数の個数: 56

約数和(自身を含む): 1307470080

約数和(自身を除く): 664988992

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 83, 158, 166, 316, 332, 632, 664, 1264, 1328, 1531, 2528, 2656, 3062, 5056, 5312, 6124, 6557, 12248, 13114, 24496, 26228, 48992, 52456, 97984, 104912, 120949, 127073, 209824, 241898, 254146, 419648, 483796, 508292, 967592, 1016584, 1935184, 2033168, 3870368, 4066336, 7740736, 8132672, 10038767, 20077534, 40155068, 80310136, 160620272, 321240544, 642481088]

約数ペア:

[(1, 642481088), (2, 321240544), (4, 160620272), (8, 80310136), (16, 40155068), (32, 20077534), (64, 10038767), (79, 8132672), (83, 7740736), (158, 4066336), (166, 3870368), (316, 2033168), (332, 1935184), (632, 1016584), (664, 967592), (1264, 508292), (1328, 483796), (1531, 419648), (2528, 254146), (2656, 241898), (3062, 209824), (5056, 127073), (5312, 120949), (6124, 104912), (6557, 97984), (12248, 52456), (13114, 48992), (24496, 26228)]