221446704620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{67928437}}^1$

素因数の和:67928609

約数の個数: 24

約数和(自身を含む): 467891080944

約数和(自身を除く): 246444376324

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 67928437, 135856874, 271713748, 339642185, 679284370, 1358568740, 11072335231, 22144670462, 44289340924, 55361676155, 110723352310, 221446704620]

約数ペア:

[(1, 221446704620), (2, 110723352310), (4, 55361676155), (5, 44289340924), (10, 22144670462), (20, 11072335231), (163, 1358568740), (326, 679284370), (652, 339642185), (815, 271713748), (1630, 135856874), (3260, 67928437)]