214912925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{6449}}^1$

素因数の和:6533

約数の個数: 24

約数和(自身を含む): 281529600

約数和(自身を除く): 66616675

約数列:

[1, 5, 25, 31, 43, 155, 215, 775, 1075, 1333, 6449, 6665, 32245, 33325, 161225, 199919, 277307, 999595, 1386535, 4997975, 6932675, 8596517, 42982585, 214912925]

約数ペア:

[(1, 214912925), (5, 42982585), (25, 8596517), (31, 6932675), (43, 4997975), (155, 1386535), (215, 999595), (775, 277307), (1075, 199919), (1333, 161225), (6449, 33325), (6665, 32245)]