400738196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{5272871}}^1$

素因数の和:5272894

約数の個数: 12

約数和(自身を含む): 738202080

約数和(自身を除く): 337463884

約数列:

[1, 2, 4, 19, 38, 76, 5272871, 10545742, 21091484, 100184549, 200369098, 400738196]

約数ペア:

[(1, 400738196), (2, 200369098), (4, 100184549), (19, 21091484), (38, 10545742), (76, 5272871)]