305487025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{6361}}^1$

素因数の和:6501

約数の個数: 24

約数和(自身を含む): 404699544

約数和(自身を除く): 99212519

約数列:

[1, 5, 17, 25, 85, 113, 425, 565, 1921, 2825, 6361, 9605, 31805, 48025, 108137, 159025, 540685, 718793, 2703425, 3593965, 12219481, 17969825, 61097405, 305487025]

約数ペア:

[(1, 305487025), (5, 61097405), (17, 17969825), (25, 12219481), (85, 3593965), (113, 2703425), (425, 718793), (565, 540685), (1921, 159025), (2825, 108137), (6361, 48025), (9605, 31805)]