40590274

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1451}}^1$

素因数の和:1721

約数の個数: 16

約数和(自身を含む): 62099136

約数和(自身を除く): 21508862

約数列:

[1, 2, 71, 142, 197, 394, 1451, 2902, 13987, 27974, 103021, 206042, 285847, 571694, 20295137, 40590274]

約数ペア:

[(1, 40590274), (2, 20295137), (71, 571694), (142, 285847), (197, 206042), (394, 103021), (1451, 27974), (2902, 13987)]