81427565

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{5303}}^1$

素因数の和:5428

約数の個数: 16

約数和(自身を含む): 101582208

約数和(自身を除く): 20154643

約数列:

[1, 5, 37, 83, 185, 415, 3071, 5303, 15355, 26515, 196211, 440149, 981055, 2200745, 16285513, 81427565]

約数ペア:

[(1, 81427565), (5, 16285513), (37, 2200745), (83, 981055), (185, 440149), (415, 196211), (3071, 26515), (5303, 15355)]