197860325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1093}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 264936168

約数和(自身を除く): 67075843

約数列:

[1, 5, 13, 25, 65, 325, 557, 1093, 2785, 5465, 7241, 13925, 14209, 27325, 36205, 71045, 181025, 355225, 608801, 3044005, 7914413, 15220025, 39572065, 197860325]

約数ペア:

[(1, 197860325), (5, 39572065), (13, 15220025), (25, 7914413), (65, 3044005), (325, 608801), (557, 355225), (1093, 181025), (2785, 71045), (5465, 36205), (7241, 27325), (13925, 14209)]