12990416

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{5449}}^1$

素因数の和:5606

約数の個数: 20

約数和(自身を含む): 25342500

約数和(自身を除く): 12352084

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 5449, 10898, 21796, 43592, 87184, 811901, 1623802, 3247604, 6495208, 12990416]

約数ペア:

[(1, 12990416), (2, 6495208), (4, 3247604), (8, 1623802), (16, 811901), (149, 87184), (298, 43592), (596, 21796), (1192, 10898), (2384, 5449)]