218571275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{8513}}^1$

素因数の和:8615

約数の個数: 24

約数和(自身を含む): 295606080

約数和(自身を除く): 77034805

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1975, 5135, 8513, 25675, 42565, 110669, 212825, 553345, 672527, 2766725, 3362635, 8742851, 16813175, 43714255, 218571275]

約数ペア:

[(1, 218571275), (5, 43714255), (13, 16813175), (25, 8742851), (65, 3362635), (79, 2766725), (325, 672527), (395, 553345), (1027, 212825), (1975, 110669), (5135, 42565), (8513, 25675)]