220961896

素因数分解:

$2^3\times {\mathrm{179}}^1\times {\mathrm{154303}}^1$

素因数の和:154488

約数の個数: 16

約数和(自身を含む): 416620800

約数和(自身を除く): 195658904

約数列:

[1, 2, 4, 8, 179, 358, 716, 1432, 154303, 308606, 617212, 1234424, 27620237, 55240474, 110480948, 220961896]

約数ペア:

[(1, 220961896), (2, 110480948), (4, 55240474), (8, 27620237), (179, 1234424), (358, 617212), (716, 308606), (1432, 154303)]