71561789

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1789}}^1$

素因数の和:2000

約数の個数: 16

約数和(自身を含む): 82096560

約数和(自身を除く): 10534771

約数列:

[1, 13, 17, 181, 221, 1789, 2353, 3077, 23257, 30413, 40001, 323809, 395369, 4209517, 5504753, 71561789]

約数ペア:

[(1, 71561789), (13, 5504753), (17, 4209517), (181, 395369), (221, 323809), (1789, 40001), (2353, 30413), (3077, 23257)]