639160885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{2089}}^1\times {\mathrm{5563}}^1$

素因数の和:7668

約数の個数: 16

約数和(自身を含む): 837270720

約数和(自身を除く): 198109835

約数列:

[1, 5, 11, 55, 2089, 5563, 10445, 22979, 27815, 61193, 114895, 305965, 11621107, 58105535, 127832177, 639160885]

約数ペア:

[(1, 639160885), (5, 127832177), (11, 58105535), (55, 11621107), (2089, 305965), (5563, 114895), (10445, 61193), (22979, 27815)]