3978312247

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{2393}}^1\times {\mathrm{18269}}^1$

素因数の和:20682

約数の個数: 16

約数和(自身を含む): 4898698560

約数和(自身を除く): 920386313

約数列:

[1, 7, 13, 91, 2393, 16751, 18269, 31109, 127883, 217763, 237497, 1662479, 43717717, 306024019, 568330321, 3978312247]

約数ペア:

[(1, 3978312247), (7, 568330321), (13, 306024019), (91, 43717717), (2393, 1662479), (16751, 237497), (18269, 217763), (31109, 127883)]