291213351398

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1\times {\mathrm{1660111}}^1$

素因数の和:1660883

約数の個数: 16

約数和(自身を含む): 440660129280

約数和(自身を除く): 149446777882

約数列:

[1, 2, 139, 278, 631, 1262, 87709, 175418, 1660111, 3320222, 230755429, 461510858, 1047530041, 2095060082, 145606675699, 291213351398]

約数ペア:

[(1, 291213351398), (2, 145606675699), (139, 2095060082), (278, 1047530041), (631, 461510858), (1262, 230755429), (87709, 3320222), (175418, 1660111)]