81996558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{17911}}^1$

素因数の和:18032

約数の個数: 32

約数和(自身を含む): 189150720

約数和(自身を除く): 107154162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4578, 17911, 35822, 53733, 107466, 125377, 250754, 376131, 752262, 1952299, 3904598, 5856897, 11713794, 13666093, 27332186, 40998279, 81996558]

約数ペア:

[(1, 81996558), (2, 40998279), (3, 27332186), (6, 13666093), (7, 11713794), (14, 5856897), (21, 3904598), (42, 1952299), (109, 752262), (218, 376131), (327, 250754), (654, 125377), (763, 107466), (1526, 53733), (2289, 35822), (4578, 17911)]