72800555

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 91753200

約数和(自身を除く): 18952645

約数列:

[1, 5, 31, 109, 139, 155, 545, 695, 961, 3379, 4309, 4805, 15151, 16895, 21545, 75755, 104749, 133579, 469681, 523745, 667895, 2348405, 14560111, 72800555]

約数ペア:

[(1, 72800555), (5, 14560111), (31, 2348405), (109, 667895), (139, 523745), (155, 469681), (545, 133579), (695, 104749), (961, 75755), (3379, 21545), (4309, 16895), (4805, 15151)]