71420545

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 101604096

約数和(自身を除く): 30183551

約数列:

[1, 5, 7, 35, 37, 131, 185, 259, 421, 655, 917, 1295, 2105, 2947, 4585, 4847, 14735, 15577, 24235, 33929, 55151, 77885, 109039, 169645, 275755, 386057, 545195, 1930285, 2040587, 10202935, 14284109, 71420545]

約数ペア:

[(1, 71420545), (5, 14284109), (7, 10202935), (35, 2040587), (37, 1930285), (131, 545195), (185, 386057), (259, 275755), (421, 169645), (655, 109039), (917, 77885), (1295, 55151), (2105, 33929), (2947, 24235), (4585, 15577), (4847, 14735)]