268440848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1290581}}^1$

素因数の和:1290602

約数の個数: 20

約数和(自身を含む): 560112588

約数和(自身を除く): 291671740

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1290581, 2581162, 5162324, 10324648, 16777553, 20649296, 33555106, 67110212, 134220424, 268440848]

約数ペア:

[(1, 268440848), (2, 134220424), (4, 67110212), (8, 33555106), (13, 20649296), (16, 16777553), (26, 10324648), (52, 5162324), (104, 2581162), (208, 1290581)]