30901619

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{821}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 37351680

約数和(自身を除く): 6450061

約数列:

[1, 7, 19, 133, 283, 821, 1981, 5377, 5747, 15599, 37639, 109193, 232343, 1626401, 4414517, 30901619]

約数ペア:

[(1, 30901619), (7, 4414517), (19, 1626401), (133, 232343), (283, 109193), (821, 37639), (1981, 15599), (5377, 5747)]