256302544

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:360

約数の個数: 60

約数和(自身を含む): 522079680

約数和(自身を除く): 265777136

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 211, 248, 316, 422, 496, 632, 844, 961, 1264, 1688, 1922, 2449, 3376, 3844, 4898, 6541, 7688, 9796, 13082, 15376, 16669, 19592, 26164, 33338, 39184, 52328, 66676, 75919, 104656, 133352, 151838, 202771, 266704, 303676, 405542, 516739, 607352, 811084, 1033478, 1214704, 1622168, 2066956, 3244336, 4133912, 8267824, 16018909, 32037818, 64075636, 128151272, 256302544]

約数ペア:

[(1, 256302544), (2, 128151272), (4, 64075636), (8, 32037818), (16, 16018909), (31, 8267824), (62, 4133912), (79, 3244336), (124, 2066956), (158, 1622168), (211, 1214704), (248, 1033478), (316, 811084), (422, 607352), (496, 516739), (632, 405542), (844, 303676), (961, 266704), (1264, 202771), (1688, 151838), (1922, 133352), (2449, 104656), (3376, 75919), (3844, 66676), (4898, 52328), (6541, 39184), (7688, 33338), (9796, 26164), (13082, 19592), (15376, 16669)]