81438955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{3359}}^1$

素因数の和:3750

約数の個数: 16

約数和(自身を含む): 105557760

約数和(自身を除く): 24118805

約数列:

[1, 5, 13, 65, 373, 1865, 3359, 4849, 16795, 24245, 43667, 218335, 1252907, 6264535, 16287791, 81438955]

約数ペア:

[(1, 81438955), (5, 16287791), (13, 6264535), (65, 1252907), (373, 218335), (1865, 43667), (3359, 24245), (4849, 16795)]