12406925

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 16163400

約数和(自身を除く): 3756475

約数列:

[1, 5, 25, 29, 109, 145, 157, 545, 725, 785, 2725, 3161, 3925, 4553, 15805, 17113, 22765, 79025, 85565, 113825, 427825, 496277, 2481385, 12406925]

約数ペア:

[(1, 12406925), (5, 2481385), (25, 496277), (29, 427825), (109, 113825), (145, 85565), (157, 79025), (545, 22765), (725, 17113), (785, 15805), (2725, 4553), (3161, 3925)]