66778855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1583}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 95800320

約数和(自身を除く): 29021465

約数列:

[1, 5, 11, 13, 55, 59, 65, 143, 295, 649, 715, 767, 1583, 3245, 3835, 7915, 8437, 17413, 20579, 42185, 87065, 93397, 102895, 226369, 466985, 1027367, 1131845, 1214161, 5136835, 6070805, 13355771, 66778855]

約数ペア:

[(1, 66778855), (5, 13355771), (11, 6070805), (13, 5136835), (55, 1214161), (59, 1131845), (65, 1027367), (143, 466985), (295, 226369), (649, 102895), (715, 93397), (767, 87065), (1583, 42185), (3245, 20579), (3835, 17413), (7915, 8437)]