84745255

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{20347}}^1$

素因数の和:20383

約数の個数: 24

約数和(自身を含む): 125262288

約数和(自身を除く): 40517033

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 20347, 101735, 142429, 345899, 712145, 997003, 1729495, 2421293, 4985015, 12106465, 16949051, 84745255]

約数ペア:

[(1, 84745255), (5, 16949051), (7, 12106465), (17, 4985015), (35, 2421293), (49, 1729495), (85, 997003), (119, 712145), (245, 345899), (595, 142429), (833, 101735), (4165, 20347)]