268907561

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{197}}^2$

素因数の和:461

約数の個数: 18

約数和(自身を含む): 299807802

約数和(自身を除く): 30900241

約数列:

[1, 13, 41, 169, 197, 533, 2561, 6929, 8077, 33293, 38809, 105001, 504517, 1365013, 1591169, 6558721, 20685197, 268907561]

約数ペア:

[(1, 268907561), (13, 20685197), (41, 6558721), (169, 1591169), (197, 1365013), (533, 504517), (2561, 105001), (6929, 38809), (8077, 33293)]