256421708

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{1627}}^1$

素因数の和:1734

約数の個数: 36

約数和(自身を含む): 475281576

約数和(自身を除く): 218859868

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 961, 1271, 1627, 1922, 2542, 3254, 3844, 5084, 6508, 39401, 50437, 66707, 78802, 100874, 133414, 157604, 201748, 266828, 1563547, 2067917, 3127094, 4135834, 6254188, 8271668, 64105427, 128210854, 256421708]

約数ペア:

[(1, 256421708), (2, 128210854), (4, 64105427), (31, 8271668), (41, 6254188), (62, 4135834), (82, 3127094), (124, 2067917), (164, 1563547), (961, 266828), (1271, 201748), (1627, 157604), (1922, 133414), (2542, 100874), (3254, 78802), (3844, 66707), (5084, 50437), (6508, 39401)]