128549005

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 168323400

約数和(自身を除く): 39774395

約数列:

[1, 5, 13, 65, 149, 169, 745, 845, 1021, 1937, 5105, 9685, 13273, 25181, 66365, 125905, 152129, 172549, 760645, 862745, 1977677, 9888385, 25709801, 128549005]

約数ペア:

[(1, 128549005), (5, 25709801), (13, 9888385), (65, 1977677), (149, 862745), (169, 760645), (745, 172549), (845, 152129), (1021, 125905), (1937, 66365), (5105, 25181), (9685, 13273)]