4005815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 5286816

約数和(自身を除く): 1281001

約数列:

[1, 5, 11, 55, 173, 421, 865, 1903, 2105, 4631, 9515, 23155, 72833, 364165, 801163, 4005815]

約数ペア:

[(1, 4005815), (5, 801163), (11, 364165), (55, 72833), (173, 23155), (421, 9515), (865, 4631), (1903, 2105)]