8640658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 14996016

約数和(自身を除く): 6355358

約数列:

[1, 2, 13, 17, 26, 34, 113, 173, 221, 226, 346, 442, 1469, 1921, 2249, 2938, 2941, 3842, 4498, 5882, 19549, 24973, 38233, 39098, 49946, 76466, 254137, 332333, 508274, 664666, 4320329, 8640658]

約数ペア:

[(1, 8640658), (2, 4320329), (13, 664666), (17, 508274), (26, 332333), (34, 254137), (113, 76466), (173, 49946), (221, 39098), (226, 38233), (346, 24973), (442, 19549), (1469, 5882), (1921, 4498), (2249, 3842), (2938, 2941)]