389945908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{11261}}^1$

素因数の和:12063

約数の個数: 24

約数和(自身を含む): 745454304

約数和(自身を除く): 355508396

約数列:

[1, 2, 4, 11, 22, 44, 787, 1574, 3148, 8657, 11261, 17314, 22522, 34628, 45044, 123871, 247742, 495484, 8862407, 17724814, 35449628, 97486477, 194972954, 389945908]

約数ペア:

[(1, 389945908), (2, 194972954), (4, 97486477), (11, 35449628), (22, 17724814), (44, 8862407), (787, 495484), (1574, 247742), (3148, 123871), (8657, 45044), (11261, 34628), (17314, 22522)]