261965090

素因数分解:

$2^1\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{13441}}^1$

素因数の和:15397

約数の個数: 16

約数和(自身を含む): 471814200

約数和(自身を除く): 209849110

約数列:

[1, 2, 5, 10, 1949, 3898, 9745, 13441, 19490, 26882, 67205, 134410, 26196509, 52393018, 130982545, 261965090]

約数ペア:

[(1, 261965090), (2, 130982545), (5, 52393018), (10, 26196509), (1949, 134410), (3898, 67205), (9745, 26882), (13441, 19490)]