256427216

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{271639}}^1$

素因数の和:271706

約数の個数: 20

約数和(自身を含む): 505250400

約数和(自身を除く): 248823184

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 271639, 543278, 1086556, 2173112, 4346224, 16026701, 32053402, 64106804, 128213608, 256427216]

約数ペア:

[(1, 256427216), (2, 128213608), (4, 64106804), (8, 32053402), (16, 16026701), (59, 4346224), (118, 2173112), (236, 1086556), (472, 543278), (944, 271639)]