2878842239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^2\times {\mathrm{137}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 3712500288

約数和(自身を除く): 833658049

約数列:

[1, 7, 13, 37, 79, 91, 137, 259, 481, 553, 959, 1027, 1781, 2923, 3367, 5069, 6241, 7189, 10823, 12467, 20461, 35483, 37999, 43687, 65897, 75761, 81133, 140699, 230917, 265993, 400451, 461279, 567931, 855017, 984893, 1616419, 2803157, 3001921, 5205863, 5985119, 11115221, 21013447, 31635629, 36441041, 77806547, 221449403, 411263177, 2878842239]

約数ペア:

[(1, 2878842239), (7, 411263177), (13, 221449403), (37, 77806547), (79, 36441041), (91, 31635629), (137, 21013447), (259, 11115221), (481, 5985119), (553, 5205863), (959, 3001921), (1027, 2803157), (1781, 1616419), (2923, 984893), (3367, 855017), (5069, 567931), (6241, 461279), (7189, 400451), (10823, 265993), (12467, 230917), (20461, 140699), (35483, 81133), (37999, 75761), (43687, 65897)]