78806425

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 99931104

約数和(自身を除く): 21124679

約数列:

[1, 5, 25, 83, 163, 233, 415, 815, 1165, 2075, 4075, 5825, 13529, 19339, 37979, 67645, 96695, 189895, 338225, 483475, 949475, 3152257, 15761285, 78806425]

約数ペア:

[(1, 78806425), (5, 15761285), (25, 3152257), (83, 949475), (163, 483475), (233, 338225), (415, 189895), (815, 96695), (1165, 67645), (2075, 37979), (4075, 19339), (5825, 13529)]