28415855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3191}}^1$

素因数の和:3346

約数の個数: 16

約数和(自身を含む): 37001664

約数和(自身を除く): 8585809

約数列:

[1, 5, 13, 65, 137, 685, 1781, 3191, 8905, 15955, 41483, 207415, 437167, 2185835, 5683171, 28415855]

約数ペア:

[(1, 28415855), (5, 5683171), (13, 2185835), (65, 437167), (137, 207415), (685, 41483), (1781, 15955), (3191, 8905)]