1388261710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12620561}}^1$

素因数の和:12620579

約数の個数: 16

約数和(自身を含む): 2726041392

約数和(自身を除く): 1337779682

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 12620561, 25241122, 63102805, 126205610, 138826171, 277652342, 694130855, 1388261710]

約数ペア:

[(1, 1388261710), (2, 694130855), (5, 277652342), (10, 138826171), (11, 126205610), (22, 63102805), (55, 25241122), (110, 12620561)]