80641316

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{17669}}^1$

素因数の和:17843

約数の個数: 24

約数和(自身を含む): 162281280

約数和(自身を除く): 81639964

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 17669, 35338, 70676, 123683, 247366, 494732, 2880047, 5760094, 11520188, 20160329, 40320658, 80641316]

約数ペア:

[(1, 80641316), (2, 40320658), (4, 20160329), (7, 11520188), (14, 5760094), (28, 2880047), (163, 494732), (326, 247366), (652, 123683), (1141, 70676), (2282, 35338), (4564, 17669)]