8720872

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 16849800

約数和(自身を除く): 8128928

約数列:

[1, 2, 4, 8, 73, 109, 137, 146, 218, 274, 292, 436, 548, 584, 872, 1096, 7957, 10001, 14933, 15914, 20002, 29866, 31828, 40004, 59732, 63656, 80008, 119464, 1090109, 2180218, 4360436, 8720872]

約数ペア:

[(1, 8720872), (2, 4360436), (4, 2180218), (8, 1090109), (73, 119464), (109, 80008), (137, 63656), (146, 59732), (218, 40004), (274, 31828), (292, 29866), (436, 20002), (548, 15914), (584, 14933), (872, 10001), (1096, 7957)]