13657915

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 16865280

約数和(自身を除く): 3207365

約数列:

[1, 5, 71, 79, 355, 395, 487, 2435, 5609, 28045, 34577, 38473, 172885, 192365, 2731583, 13657915]

約数ペア:

[(1, 13657915), (5, 2731583), (71, 192365), (79, 172885), (355, 38473), (395, 34577), (487, 28045), (2435, 5609)]