398283842

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1645801}}^1$

素因数の和:1645825

約数の個数: 12

約数和(自身を含む): 656674998

約数和(自身を除く): 258391156

約数列:

[1, 2, 11, 22, 121, 242, 1645801, 3291602, 18103811, 36207622, 199141921, 398283842]

約数ペア:

[(1, 398283842), (2, 199141921), (11, 36207622), (22, 18103811), (121, 3291602), (242, 1645801)]