261262288

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{17027}}^1$

素因数の和:17179

約数の個数: 40

約数和(自身を含む): 582766272

約数和(自身を除く): 321503984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1918, 2192, 3836, 7672, 15344, 17027, 34054, 68108, 119189, 136216, 238378, 272432, 476756, 953512, 1907024, 2332699, 4665398, 9330796, 16328893, 18661592, 32657786, 37323184, 65315572, 130631144, 261262288]

約数ペア:

[(1, 261262288), (2, 130631144), (4, 65315572), (7, 37323184), (8, 32657786), (14, 18661592), (16, 16328893), (28, 9330796), (56, 4665398), (112, 2332699), (137, 1907024), (274, 953512), (548, 476756), (959, 272432), (1096, 238378), (1918, 136216), (2192, 119189), (3836, 68108), (7672, 34054), (15344, 17027)]