63999395

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 77932800

約数和(自身を除く): 13933405

約数列:

[1, 5, 131, 199, 491, 655, 995, 2455, 26069, 64321, 97709, 130345, 321605, 488545, 12799879, 63999395]

約数ペア:

[(1, 63999395), (5, 12799879), (131, 488545), (199, 321605), (491, 130345), (655, 97709), (995, 64321), (2455, 26069)]