129499448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1245187}}^1$

素因数の和:1245206

約数の個数: 16

約数和(自身を含む): 261489480

約数和(自身を除く): 131990032

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1245187, 2490374, 4980748, 9961496, 16187431, 32374862, 64749724, 129499448]

約数ペア:

[(1, 129499448), (2, 64749724), (4, 32374862), (8, 16187431), (13, 9961496), (26, 4980748), (52, 2490374), (104, 1245187)]