1557103688

素因数分解:

$2^3\times 7^1\times {\mathrm{27805423}}^1$

素因数の和:27805436

約数の個数: 16

約数和(自身を含む): 3336650880

約数和(自身を除く): 1779547192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 27805423, 55610846, 111221692, 194637961, 222443384, 389275922, 778551844, 1557103688]

約数ペア:

[(1, 1557103688), (2, 778551844), (4, 389275922), (7, 222443384), (8, 194637961), (14, 111221692), (28, 55610846), (56, 27805423)]