81604336

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 60

約数和(自身を含む): 176893192

約数和(自身を除く): 95288856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 121, 122, 176, 242, 244, 484, 488, 671, 691, 968, 976, 1342, 1382, 1936, 2684, 2764, 5368, 5528, 7381, 7601, 10736, 11056, 14762, 15202, 29524, 30404, 42151, 59048, 60808, 83611, 84302, 118096, 121616, 167222, 168604, 334444, 337208, 463661, 668888, 674416, 927322, 1337776, 1854644, 3709288, 5100271, 7418576, 10200542, 20401084, 40802168, 81604336]

約数ペア:

[(1, 81604336), (2, 40802168), (4, 20401084), (8, 10200542), (11, 7418576), (16, 5100271), (22, 3709288), (44, 1854644), (61, 1337776), (88, 927322), (121, 674416), (122, 668888), (176, 463661), (242, 337208), (244, 334444), (484, 168604), (488, 167222), (671, 121616), (691, 118096), (968, 84302), (976, 83611), (1342, 60808), (1382, 59048), (1936, 42151), (2684, 30404), (2764, 29524), (5368, 15202), (5528, 14762), (7381, 11056), (7601, 10736)]