81339986

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 158118912

約数和(自身を除く): 76778926

約数列:

[1, 2, 7, 13, 14, 26, 37, 47, 74, 91, 94, 182, 257, 259, 329, 481, 514, 518, 611, 658, 962, 1222, 1739, 1799, 3341, 3367, 3478, 3598, 4277, 6682, 6734, 8554, 9509, 12079, 12173, 19018, 22607, 23387, 24158, 24346, 45214, 46774, 66563, 84553, 123617, 133126, 157027, 158249, 169106, 247234, 314054, 316498, 446923, 865319, 893846, 1099189, 1730638, 2198378, 3128461, 5809999, 6256922, 11619998, 40669993, 81339986]

約数ペア:

[(1, 81339986), (2, 40669993), (7, 11619998), (13, 6256922), (14, 5809999), (26, 3128461), (37, 2198378), (47, 1730638), (74, 1099189), (91, 893846), (94, 865319), (182, 446923), (257, 316498), (259, 314054), (329, 247234), (481, 169106), (514, 158249), (518, 157027), (611, 133126), (658, 123617), (962, 84553), (1222, 66563), (1739, 46774), (1799, 45214), (3341, 24346), (3367, 24158), (3478, 23387), (3598, 22607), (4277, 19018), (6682, 12173), (6734, 12079), (8554, 9509)]