156995425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3389}}^1$

素因数の和:3525

約数の個数: 24

約数和(自身を含む): 208078200

約数和(自身を除く): 51082775

約数列:

[1, 5, 17, 25, 85, 109, 425, 545, 1853, 2725, 3389, 9265, 16945, 46325, 57613, 84725, 288065, 369401, 1440325, 1847005, 6279817, 9235025, 31399085, 156995425]

約数ペア:

[(1, 156995425), (5, 31399085), (17, 9235025), (25, 6279817), (85, 1847005), (109, 1440325), (425, 369401), (545, 288065), (1853, 84725), (2725, 57613), (3389, 46325), (9265, 16945)]