8138665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 10869768

約数和(自身を除く): 2731103

約数列:

[1, 5, 17, 23, 85, 115, 181, 391, 529, 905, 1955, 2645, 3077, 4163, 8993, 15385, 20815, 44965, 70771, 95749, 353855, 478745, 1627733, 8138665]

約数ペア:

[(1, 8138665), (5, 1627733), (17, 478745), (23, 353855), (85, 95749), (115, 70771), (181, 44965), (391, 20815), (529, 15385), (905, 8993), (1955, 4163), (2645, 3077)]