2155855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1986

約数の個数: 16

約数和(自身を含む): 2951424

約数和(自身を除く): 795569

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1951, 9755, 25363, 33167, 126815, 165835, 431171, 2155855]

約数ペア:

[(1, 2155855), (5, 431171), (13, 165835), (17, 126815), (65, 33167), (85, 25363), (221, 9755), (1105, 1951)]