399156956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{11527}}^1$

素因数の和:12329

約数の個数: 24

約数和(自身を含む): 763061376

約数和(自身を除く): 363904420

約数列:

[1, 2, 4, 11, 22, 44, 787, 1574, 3148, 8657, 11527, 17314, 23054, 34628, 46108, 126797, 253594, 507188, 9071749, 18143498, 36286996, 99789239, 199578478, 399156956]

約数ペア:

[(1, 399156956), (2, 199578478), (4, 99789239), (11, 36286996), (22, 18143498), (44, 9071749), (787, 507188), (1574, 253594), (3148, 126797), (8657, 46108), (11527, 34628), (17314, 23054)]