201955975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2293}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 270802112

約数和(自身を除く): 68846137

約数列:

[1, 5, 13, 25, 65, 271, 325, 1355, 2293, 3523, 6775, 11465, 17615, 29809, 57325, 88075, 149045, 621403, 745225, 3107015, 8078239, 15535075, 40391195, 201955975]

約数ペア:

[(1, 201955975), (5, 40391195), (13, 15535075), (25, 8078239), (65, 3107015), (271, 745225), (325, 621403), (1355, 149045), (2293, 88075), (3523, 57325), (6775, 29809), (11465, 17615)]