128965828

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{25367}}^1$

素因数の和:25443

約数の個数: 24

約数和(自身を含む): 238662144

約数和(自身を除く): 109696316

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 5084, 25367, 50734, 101468, 786377, 1040047, 1572754, 2080094, 3145508, 4160188, 32241457, 64482914, 128965828]

約数ペア:

[(1, 128965828), (2, 64482914), (4, 32241457), (31, 4160188), (41, 3145508), (62, 2080094), (82, 1572754), (124, 1040047), (164, 786377), (1271, 101468), (2542, 50734), (5084, 25367)]