890662012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113779}}^1$

素因数の和:113905

約数の個数: 24

約数和(自身を含む): 1656636800

約数和(自身を除く): 765974788

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 3914, 7828, 113779, 227558, 455116, 2161801, 4323602, 8647204, 11719237, 23438474, 46876948, 222665503, 445331006, 890662012]

約数ペア:

[(1, 890662012), (2, 445331006), (4, 222665503), (19, 46876948), (38, 23438474), (76, 11719237), (103, 8647204), (206, 4323602), (412, 2161801), (1957, 455116), (3914, 227558), (7828, 113779)]