81947766

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 175988736

約数和(自身を除く): 94040970

約数列:

[1, 2, 3, 6, 41, 43, 61, 82, 86, 122, 123, 127, 129, 183, 246, 254, 258, 366, 381, 762, 1763, 2501, 2623, 3526, 5002, 5207, 5246, 5289, 5461, 7503, 7747, 7869, 10414, 10578, 10922, 15006, 15494, 15621, 15738, 16383, 23241, 31242, 32766, 46482, 107543, 215086, 223901, 317627, 322629, 333121, 447802, 635254, 645258, 666242, 671703, 952881, 999363, 1343406, 1905762, 1998726, 13657961, 27315922, 40973883, 81947766]

約数ペア:

[(1, 81947766), (2, 40973883), (3, 27315922), (6, 13657961), (41, 1998726), (43, 1905762), (61, 1343406), (82, 999363), (86, 952881), (122, 671703), (123, 666242), (127, 645258), (129, 635254), (183, 447802), (246, 333121), (254, 322629), (258, 317627), (366, 223901), (381, 215086), (762, 107543), (1763, 46482), (2501, 32766), (2623, 31242), (3526, 23241), (5002, 16383), (5207, 15738), (5246, 15621), (5289, 15494), (5461, 15006), (7503, 10922), (7747, 10578), (7869, 10414)]