255117863

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 364041216

約数和(自身を除く): 108923353

約数列:

[1, 7, 11, 13, 23, 49, 77, 91, 143, 161, 253, 299, 539, 637, 1001, 1127, 1583, 1771, 2093, 3289, 7007, 11081, 12397, 14651, 17413, 20579, 23023, 36409, 77567, 121891, 144053, 161161, 226369, 254863, 400499, 473317, 853237, 1008371, 1584583, 1784041, 2803493, 3313219, 5206487, 11092081, 19624451, 23192533, 36445409, 255117863]

約数ペア:

[(1, 255117863), (7, 36445409), (11, 23192533), (13, 19624451), (23, 11092081), (49, 5206487), (77, 3313219), (91, 2803493), (143, 1784041), (161, 1584583), (253, 1008371), (299, 853237), (539, 473317), (637, 400499), (1001, 254863), (1127, 226369), (1583, 161161), (1771, 144053), (2093, 121891), (3289, 77567), (7007, 36409), (11081, 23023), (12397, 20579), (14651, 17413)]