638822045

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{5167}}^1$

素因数の和:5564

約数の個数: 16

約数和(自身を含む): 778920960

約数和(自身を除く): 140098915

約数列:

[1, 5, 79, 313, 395, 1565, 5167, 24727, 25835, 123635, 408193, 1617271, 2040965, 8086355, 127764409, 638822045]

約数ペア:

[(1, 638822045), (5, 127764409), (79, 8086355), (313, 2040965), (395, 1617271), (1565, 408193), (5167, 123635), (24727, 25835)]