212312312825

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{157}}^2\times {\mathrm{3049}}^1$

素因数の和:3486

約数の個数: 36

約数和(自身を含む): 267387210900

約数和(自身を除く): 55074898075

約数列:

[1, 5, 25, 113, 157, 565, 785, 2825, 3049, 3925, 15245, 17741, 24649, 76225, 88705, 123245, 344537, 443525, 478693, 616225, 1722685, 2393465, 2785337, 8613425, 11967325, 13926685, 54092309, 69633425, 75154801, 270461545, 375774005, 1352307725, 1878870025, 8492492513, 42462462565, 212312312825]

約数ペア:

[(1, 212312312825), (5, 42462462565), (25, 8492492513), (113, 1878870025), (157, 1352307725), (565, 375774005), (785, 270461545), (2825, 75154801), (3049, 69633425), (3925, 54092309), (15245, 13926685), (17741, 11967325), (24649, 8613425), (76225, 2785337), (88705, 2393465), (123245, 1722685), (344537, 616225), (443525, 478693)]