81853838

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 136872288

約数和(自身を除く): 55018450

約数列:

[1, 2, 11, 22, 97, 121, 194, 242, 317, 634, 1067, 1331, 2134, 2662, 3487, 6974, 11737, 23474, 30749, 38357, 61498, 76714, 129107, 258214, 338239, 421927, 676478, 843854, 3720629, 7441258, 40926919, 81853838]

約数ペア:

[(1, 81853838), (2, 40926919), (11, 7441258), (22, 3720629), (97, 843854), (121, 676478), (194, 421927), (242, 338239), (317, 258214), (634, 129107), (1067, 76714), (1331, 61498), (2134, 38357), (2662, 30749), (3487, 23474), (6974, 11737)]