64644676

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{55921}}^1$

素因数の和:55959

約数の個数: 18

約数和(自身を含む): 120176378

約数和(自身を除く): 55531702

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 55921, 111842, 223684, 950657, 1901314, 3802628, 16161169, 32322338, 64644676]

約数ペア:

[(1, 64644676), (2, 32322338), (4, 16161169), (17, 3802628), (34, 1901314), (68, 950657), (289, 223684), (578, 111842), (1156, 55921)]