81239788

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{100049}}^1$

素因数の和:100089

約数の個数: 24

約数和(自身を含む): 168084000

約数和(自身を除く): 86844212

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 100049, 200098, 400196, 700343, 1400686, 2801372, 2901421, 5802842, 11605684, 20309947, 40619894, 81239788]

約数ペア:

[(1, 81239788), (2, 40619894), (4, 20309947), (7, 11605684), (14, 5802842), (28, 2901421), (29, 2801372), (58, 1400686), (116, 700343), (203, 400196), (406, 200098), (812, 100049)]