78636904

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 149793480

約数和(自身を除く): 71156576

約数列:

[1, 2, 4, 8, 137, 157, 274, 314, 457, 548, 628, 914, 1096, 1256, 1828, 3656, 21509, 43018, 62609, 71749, 86036, 125218, 143498, 172072, 250436, 286996, 500872, 573992, 9829613, 19659226, 39318452, 78636904]

約数ペア:

[(1, 78636904), (2, 39318452), (4, 19659226), (8, 9829613), (137, 573992), (157, 500872), (274, 286996), (314, 250436), (457, 172072), (548, 143498), (628, 125218), (914, 86036), (1096, 71749), (1256, 62609), (1828, 43018), (3656, 21509)]