81551216

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{86389}}^1$

素因数の和:86456

約数の個数: 20

約数和(自身を含む): 160685400

約数和(自身を除く): 79134184

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 86389, 172778, 345556, 691112, 1382224, 5096951, 10193902, 20387804, 40775608, 81551216]

約数ペア:

[(1, 81551216), (2, 40775608), (4, 20387804), (8, 10193902), (16, 5096951), (59, 1382224), (118, 691112), (236, 345556), (472, 172778), (944, 86389)]