31391984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4079}}^1$

素因数の和:4137

約数の個数: 40

約数和(自身を含む): 67287360

約数和(自身を除く): 35895376

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3848, 4079, 7696, 8158, 16316, 32632, 53027, 65264, 106054, 150923, 212108, 301846, 424216, 603692, 848432, 1207384, 1961999, 2414768, 3923998, 7847996, 15695992, 31391984]

約数ペア:

[(1, 31391984), (2, 15695992), (4, 7847996), (8, 3923998), (13, 2414768), (16, 1961999), (26, 1207384), (37, 848432), (52, 603692), (74, 424216), (104, 301846), (148, 212108), (208, 150923), (296, 106054), (481, 65264), (592, 53027), (962, 32632), (1924, 16316), (3848, 8158), (4079, 7696)]