491567388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{39887}}^1$

素因数の和:39986

約数の個数: 48

約数和(自身を含む): 1250887680

約数和(自身を除く): 759320292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 156, 158, 237, 316, 474, 948, 1027, 2054, 3081, 4108, 6162, 12324, 39887, 79774, 119661, 159548, 239322, 478644, 518531, 1037062, 1555593, 2074124, 3111186, 3151073, 6222372, 6302146, 9453219, 12604292, 18906438, 37812876, 40963949, 81927898, 122891847, 163855796, 245783694, 491567388]

約数ペア:

[(1, 491567388), (2, 245783694), (3, 163855796), (4, 122891847), (6, 81927898), (12, 40963949), (13, 37812876), (26, 18906438), (39, 12604292), (52, 9453219), (78, 6302146), (79, 6222372), (156, 3151073), (158, 3111186), (237, 2074124), (316, 1555593), (474, 1037062), (948, 518531), (1027, 478644), (2054, 239322), (3081, 159548), (4108, 119661), (6162, 79774), (12324, 39887)]