68946025

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 87494400

約数和(自身を除く): 18548375

約数列:

[1, 5, 25, 83, 149, 223, 415, 745, 1115, 2075, 3725, 5575, 12367, 18509, 33227, 61835, 92545, 166135, 309175, 462725, 830675, 2757841, 13789205, 68946025]

約数ペア:

[(1, 68946025), (5, 13789205), (25, 2757841), (83, 830675), (149, 462725), (223, 309175), (415, 166135), (745, 92545), (1115, 61835), (2075, 33227), (3725, 18509), (5575, 12367)]