128936015

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2879}}^1$

素因数の和:2963

約数の個数: 24

約数和(自身を含む): 170760960

約数和(自身を除く): 41824945

約数列:

[1, 5, 13, 53, 65, 169, 265, 689, 845, 2879, 3445, 8957, 14395, 37427, 44785, 152587, 187135, 486551, 762935, 1983631, 2432755, 9918155, 25787203, 128936015]

約数ペア:

[(1, 128936015), (5, 25787203), (13, 9918155), (53, 2432755), (65, 1983631), (169, 762935), (265, 486551), (689, 187135), (845, 152587), (2879, 44785), (3445, 37427), (8957, 14395)]