1640041

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 16

約数和(自身を含む): 1926288

約数和(自身を除く): 286247

約数列:

[1, 13, 17, 41, 181, 221, 533, 697, 2353, 3077, 7421, 9061, 40001, 96473, 126157, 1640041]

約数ペア:

[(1, 1640041), (13, 126157), (17, 96473), (41, 40001), (181, 9061), (221, 7421), (533, 3077), (697, 2353)]