42308395

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 51652800

約数和(自身を除く): 9344405

約数列:

[1, 5, 101, 199, 421, 505, 995, 2105, 20099, 42521, 83779, 100495, 212605, 418895, 8461679, 42308395]

約数ペア:

[(1, 42308395), (5, 8461679), (101, 418895), (199, 212605), (421, 100495), (505, 83779), (995, 42521), (2105, 20099)]