891005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 1149120

約数和(自身を除く): 258115

約数列:

[1, 5, 19, 83, 95, 113, 415, 565, 1577, 2147, 7885, 9379, 10735, 46895, 178201, 891005]

約数ペア:

[(1, 891005), (5, 178201), (19, 46895), (83, 10735), (95, 9379), (113, 7885), (415, 2147), (565, 1577)]