1388579528

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{799873}}^1$

素因数の和:799917

約数の個数: 32

約数和(自身を含む): 3071516160

約数和(自身を除く): 1682936632

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 799873, 1599746, 3199492, 5599111, 6398984, 11198222, 22396444, 24796063, 44792888, 49592126, 99184252, 173572441, 198368504, 347144882, 694289764, 1388579528]

約数ペア:

[(1, 1388579528), (2, 694289764), (4, 347144882), (7, 198368504), (8, 173572441), (14, 99184252), (28, 49592126), (31, 44792888), (56, 24796063), (62, 22396444), (124, 11198222), (217, 6398984), (248, 5599111), (434, 3199492), (868, 1599746), (1736, 799873)]