128156974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 229003200

約数和(自身を除く): 100846226

約数列:

[1, 2, 11, 22, 29, 37, 58, 61, 74, 89, 122, 178, 319, 407, 638, 671, 814, 979, 1073, 1342, 1769, 1958, 2146, 2257, 2581, 3293, 3538, 4514, 5162, 5429, 6586, 10858, 11803, 19459, 23606, 24827, 28391, 36223, 38918, 49654, 56782, 59719, 65453, 72446, 95497, 119438, 130906, 157441, 190994, 200873, 314882, 401746, 719983, 1050467, 1439966, 1731851, 2100934, 2209603, 3463702, 4419206, 5825317, 11650634, 64078487, 128156974]

約数ペア:

[(1, 128156974), (2, 64078487), (11, 11650634), (22, 5825317), (29, 4419206), (37, 3463702), (58, 2209603), (61, 2100934), (74, 1731851), (89, 1439966), (122, 1050467), (178, 719983), (319, 401746), (407, 314882), (638, 200873), (671, 190994), (814, 157441), (979, 130906), (1073, 119438), (1342, 95497), (1769, 72446), (1958, 65453), (2146, 59719), (2257, 56782), (2581, 49654), (3293, 38918), (3538, 36223), (4514, 28391), (5162, 24827), (5429, 23606), (6586, 19459), (10858, 11803)]