81618782

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{142193}}^1$

素因数の和:142243

約数の個数: 16

約数和(自身を含む): 143331552

約数和(自身を除く): 61712770

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 142193, 284386, 995351, 1990702, 5829913, 11659826, 40809391, 81618782]

約数ペア:

[(1, 81618782), (2, 40809391), (7, 11659826), (14, 5829913), (41, 1990702), (82, 995351), (287, 284386), (574, 142193)]