201620828

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{161039}}^1$

素因数の和:161356

約数の個数: 12

約数和(自身を含む): 353965920

約数和(自身を除く): 152345092

約数列:

[1, 2, 4, 313, 626, 1252, 161039, 322078, 644156, 50405207, 100810414, 201620828]

約数ペア:

[(1, 201620828), (2, 100810414), (4, 50405207), (313, 644156), (626, 322078), (1252, 161039)]