201986725

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 255108672

約数和(自身を除く): 53121947

約数列:

[1, 5, 25, 83, 311, 313, 415, 1555, 1565, 2075, 7775, 7825, 25813, 25979, 97343, 129065, 129895, 486715, 645325, 649475, 2433575, 8079469, 40397345, 201986725]

約数ペア:

[(1, 201986725), (5, 40397345), (25, 8079469), (83, 2433575), (311, 649475), (313, 645325), (415, 486715), (1555, 129895), (1565, 129065), (2075, 97343), (7775, 25979), (7825, 25813)]