260521521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 404523840

約数和(自身を除く): 144002319

約数列:

[1, 3, 13, 19, 39, 57, 59, 101, 177, 247, 303, 741, 767, 1121, 1313, 1919, 2301, 3363, 3481, 3939, 5757, 5959, 10443, 14573, 17877, 24947, 43719, 45253, 66139, 74841, 77467, 113221, 135759, 198417, 232401, 339663, 351581, 859807, 1054743, 1471873, 2579421, 4415619, 4570553, 6680039, 13711659, 20040117, 86840507, 260521521]

約数ペア:

[(1, 260521521), (3, 86840507), (13, 20040117), (19, 13711659), (39, 6680039), (57, 4570553), (59, 4415619), (101, 2579421), (177, 1471873), (247, 1054743), (303, 859807), (741, 351581), (767, 339663), (1121, 232401), (1313, 198417), (1919, 135759), (2301, 113221), (3363, 77467), (3481, 74841), (3939, 66139), (5757, 45253), (5959, 43719), (10443, 24947), (14573, 17877)]