1380493816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{13273979}}^1$

素因数の和:13273998

約数の個数: 16

約数和(自身を含む): 2787535800

約数和(自身を除く): 1407041984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 13273979, 26547958, 53095916, 106191832, 172561727, 345123454, 690246908, 1380493816]

約数ペア:

[(1, 1380493816), (2, 690246908), (4, 345123454), (8, 172561727), (13, 106191832), (26, 53095916), (52, 26547958), (104, 13273979)]