51630565

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2539}}^1$

素因数の和:2641

約数の個数: 24

約数和(自身を含む): 72969120

約数和(自身を除く): 21338555

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 2539, 2905, 4067, 12695, 17773, 20335, 88865, 124411, 210737, 622055, 1053685, 1475159, 7375795, 10326113, 51630565]

約数ペア:

[(1, 51630565), (5, 10326113), (7, 7375795), (35, 1475159), (49, 1053685), (83, 622055), (245, 210737), (415, 124411), (581, 88865), (2539, 20335), (2905, 17773), (4067, 12695)]