1390418810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12640171}}^1$

素因数の和:12640189

約数の個数: 16

約数和(自身を含む): 2730277152

約数和(自身を除く): 1339858342

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 12640171, 25280342, 63200855, 126401710, 139041881, 278083762, 695209405, 1390418810]

約数ペア:

[(1, 1390418810), (2, 695209405), (5, 278083762), (10, 139041881), (11, 126401710), (22, 63200855), (55, 25280342), (110, 12640171)]