28711790

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{3259}}^1$

素因数の和:4147

約数の個数: 16

約数和(自身を含む): 51755760

約数和(自身を除く): 23043970

約数列:

[1, 2, 5, 10, 881, 1762, 3259, 4405, 6518, 8810, 16295, 32590, 2871179, 5742358, 14355895, 28711790]

約数ペア:

[(1, 28711790), (2, 14355895), (5, 5742358), (10, 2871179), (881, 32590), (1762, 16295), (3259, 8810), (4405, 6518)]