51489697

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 60079104

約数和(自身を除く): 8589407

約数列:

[1, 7, 71, 211, 491, 497, 1477, 3437, 14981, 34861, 103601, 104867, 244027, 725207, 7355671, 51489697]

約数ペア:

[(1, 51489697), (7, 7355671), (71, 725207), (211, 244027), (491, 104867), (497, 103601), (1477, 34861), (3437, 14981)]