201731725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20023}}^1$

素因数の和:20077

約数の個数: 24

約数和(自身を含む): 278093312

約数和(自身を除く): 76361587

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 20023, 100115, 260299, 500575, 620713, 1301495, 3103565, 6507475, 8069269, 15517825, 40346345, 201731725]

約数ペア:

[(1, 201731725), (5, 40346345), (13, 15517825), (25, 8069269), (31, 6507475), (65, 3103565), (155, 1301495), (325, 620713), (403, 500575), (775, 260299), (2015, 100115), (10075, 20023)]