263821684

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 573870528

約数和(自身を除く): 310048844

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 49, 86, 92, 98, 161, 172, 196, 301, 322, 602, 644, 989, 1127, 1204, 1361, 1978, 2107, 2254, 2722, 3956, 4214, 4508, 5444, 6923, 8428, 9527, 13846, 19054, 27692, 31303, 38108, 48461, 58523, 62606, 66689, 96922, 117046, 125212, 133378, 193844, 219121, 234092, 266756, 409661, 438242, 819322, 876484, 1346029, 1533847, 1638644, 2692058, 2867627, 3067694, 5384116, 5735254, 6135388, 9422203, 11470508, 18844406, 37688812, 65955421, 131910842, 263821684]

約数ペア:

[(1, 263821684), (2, 131910842), (4, 65955421), (7, 37688812), (14, 18844406), (23, 11470508), (28, 9422203), (43, 6135388), (46, 5735254), (49, 5384116), (86, 3067694), (92, 2867627), (98, 2692058), (161, 1638644), (172, 1533847), (196, 1346029), (301, 876484), (322, 819322), (602, 438242), (644, 409661), (989, 266756), (1127, 234092), (1204, 219121), (1361, 193844), (1978, 133378), (2107, 125212), (2254, 117046), (2722, 96922), (3956, 66689), (4214, 62606), (4508, 58523), (5444, 48461), (6923, 38108), (8428, 31303), (9527, 27692), (13846, 19054)]