1640802046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{131749}}^1$

素因数の和:132243

約数の個数: 16

約数和(自身を含む): 2656080000

約数和(自身を除く): 1015277954

約数列:

[1, 2, 13, 26, 479, 958, 6227, 12454, 131749, 263498, 1712737, 3425474, 63107771, 126215542, 820401023, 1640802046]

約数ペア:

[(1, 1640802046), (2, 820401023), (13, 126215542), (26, 63107771), (479, 3425474), (958, 1712737), (6227, 263498), (12454, 131749)]