128977405

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{1229}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 157046400

約数和(自身を除く): 28068995

約数列:

[1, 5, 139, 151, 695, 755, 1229, 6145, 20989, 104945, 170831, 185579, 854155, 927895, 25795481, 128977405]

約数ペア:

[(1, 128977405), (5, 25795481), (139, 927895), (151, 854155), (695, 185579), (755, 170831), (1229, 104945), (6145, 20989)]