1387455056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6670457}}^1$

素因数の和:6670478

約数の個数: 20

約数和(自身を含む): 2894978772

約数和(自身を除く): 1507523716

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6670457, 13340914, 26681828, 53363656, 86715941, 106727312, 173431882, 346863764, 693727528, 1387455056]

約数ペア:

[(1, 1387455056), (2, 693727528), (4, 346863764), (8, 173431882), (13, 106727312), (16, 86715941), (26, 53363656), (52, 26681828), (104, 13340914), (208, 6670457)]