71768075

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 92102736

約数和(自身を除く): 20334661

約数列:

[1, 5, 25, 43, 101, 215, 505, 661, 1075, 2525, 3305, 4343, 16525, 21715, 28423, 66761, 108575, 142115, 333805, 710575, 1669025, 2870723, 14353615, 71768075]

約数ペア:

[(1, 71768075), (5, 14353615), (25, 2870723), (43, 1669025), (101, 710575), (215, 333805), (505, 142115), (661, 108575), (1075, 66761), (2525, 28423), (3305, 21715), (4343, 16525)]