261460199

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{971}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 352719360

約数和(自身を除く): 91259161

約数列:

[1, 7, 11, 13, 77, 91, 143, 269, 971, 1001, 1883, 2959, 3497, 6797, 10681, 12623, 20713, 24479, 38467, 74767, 88361, 138853, 261199, 269269, 971971, 1828393, 2873189, 3395587, 20112323, 23769109, 37351457, 261460199]

約数ペア:

[(1, 261460199), (7, 37351457), (11, 23769109), (13, 20112323), (77, 3395587), (91, 2873189), (143, 1828393), (269, 971971), (971, 269269), (1001, 261199), (1883, 138853), (2959, 88361), (3497, 74767), (6797, 38467), (10681, 24479), (12623, 20713)]