289340636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{129401}}^1$

素因数の和:129461

約数の個数: 24

約数和(自身を含む): 557981424

約数和(自身を除く): 268640788

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 129401, 258802, 517604, 1682213, 3364426, 5564243, 6728852, 11128486, 22256972, 72335159, 144670318, 289340636]

約数ペア:

[(1, 289340636), (2, 144670318), (4, 72335159), (13, 22256972), (26, 11128486), (43, 6728852), (52, 5564243), (86, 3364426), (172, 1682213), (559, 517604), (1118, 258802), (2236, 129401)]