87138145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{20479}}^1$

素因数の和:20544

約数の個数: 16

約数和(自身を含む): 112066560

約数和(自身を除く): 24928415

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 20479, 102395, 471017, 757723, 2355085, 3788615, 17427629, 87138145]

約数ペア:

[(1, 87138145), (5, 17427629), (23, 3788615), (37, 2355085), (115, 757723), (185, 471017), (851, 102395), (4255, 20479)]