661934013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{320239}}^1$

素因数の和:320308

約数の個数: 16

約数和(自身を含む): 968405760

約数和(自身を除く): 306471747

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 320239, 960717, 4163107, 12489321, 16972667, 50918001, 220644671, 661934013]

約数ペア:

[(1, 661934013), (3, 220644671), (13, 50918001), (39, 16972667), (53, 12489321), (159, 4163107), (689, 960717), (2067, 320239)]