81372642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 187608960

約数和(自身を除く): 106236318

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 109, 218, 221, 327, 442, 563, 654, 663, 1126, 1326, 1417, 1689, 1853, 2834, 3378, 3706, 4251, 5559, 7319, 8502, 9571, 11118, 14638, 19142, 21957, 24089, 28713, 43914, 48178, 57426, 61367, 72267, 122734, 124423, 144534, 184101, 248846, 368202, 373269, 746538, 797771, 1043239, 1595542, 2086478, 2393313, 3129717, 4786626, 6259434, 13562107, 27124214, 40686321, 81372642]

約数ペア:

[(1, 81372642), (2, 40686321), (3, 27124214), (6, 13562107), (13, 6259434), (17, 4786626), (26, 3129717), (34, 2393313), (39, 2086478), (51, 1595542), (78, 1043239), (102, 797771), (109, 746538), (218, 373269), (221, 368202), (327, 248846), (442, 184101), (563, 144534), (654, 124423), (663, 122734), (1126, 72267), (1326, 61367), (1417, 57426), (1689, 48178), (1853, 43914), (2834, 28713), (3378, 24089), (3706, 21957), (4251, 19142), (5559, 14638), (7319, 11118), (8502, 9571)]