138940235

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{33359}}^1$

素因数の和:33395

約数の個数: 24

約数和(自身を含む): 205364160

約数和(自身を除く): 66423925

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 33359, 166795, 233513, 567103, 1167565, 1634591, 2835515, 3969721, 8172955, 19848605, 27788047, 138940235]

約数ペア:

[(1, 138940235), (5, 27788047), (7, 19848605), (17, 8172955), (35, 3969721), (49, 2835515), (85, 1634591), (119, 1167565), (245, 567103), (595, 233513), (833, 166795), (4165, 33359)]