13781855

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 17021664

約数和(自身を除く): 3239809

約数列:

[1, 5, 53, 131, 265, 397, 655, 1985, 6943, 21041, 34715, 52007, 105205, 260035, 2756371, 13781855]

約数ペア:

[(1, 13781855), (5, 2756371), (53, 260035), (131, 105205), (265, 52007), (397, 34715), (655, 21041), (1985, 6943)]