263687216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1267727}}^1$

素因数の和:1267748

約数の個数: 20

約数和(自身を含む): 550193952

約数和(自身を除く): 286506736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1267727, 2535454, 5070908, 10141816, 16480451, 20283632, 32960902, 65921804, 131843608, 263687216]

約数ペア:

[(1, 263687216), (2, 131843608), (4, 65921804), (8, 32960902), (13, 20283632), (16, 16480451), (26, 10141816), (52, 5070908), (104, 2535454), (208, 1267727)]