256851212

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{64927}}^1$

素因数の和:64997

約数の個数: 24

約数和(自身を含む): 479947776

約数和(自身を除く): 223096564

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 64927, 129854, 259708, 1493321, 2791861, 2986642, 5583722, 5973284, 11167444, 64212803, 128425606, 256851212]

約数ペア:

[(1, 256851212), (2, 128425606), (4, 64212803), (23, 11167444), (43, 5973284), (46, 5583722), (86, 2986642), (92, 2791861), (172, 1493321), (989, 259708), (1978, 129854), (3956, 64927)]