81638934

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1845

約数の個数: 64

約数和(自身を含む): 191170560

約数和(自身を除く): 109531626

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 403, 494, 589, 741, 806, 1178, 1209, 1482, 1767, 1777, 2418, 3534, 3554, 5331, 7657, 10662, 15314, 22971, 23101, 33763, 45942, 46202, 55087, 67526, 69303, 101289, 110174, 138606, 165261, 202578, 330522, 438919, 716131, 877838, 1046653, 1316757, 1432262, 2093306, 2148393, 2633514, 3139959, 4296786, 6279918, 13606489, 27212978, 40819467, 81638934]

約数ペア:

[(1, 81638934), (2, 40819467), (3, 27212978), (6, 13606489), (13, 6279918), (19, 4296786), (26, 3139959), (31, 2633514), (38, 2148393), (39, 2093306), (57, 1432262), (62, 1316757), (78, 1046653), (93, 877838), (114, 716131), (186, 438919), (247, 330522), (403, 202578), (494, 165261), (589, 138606), (741, 110174), (806, 101289), (1178, 69303), (1209, 67526), (1482, 55087), (1767, 46202), (1777, 45942), (2418, 33763), (3534, 23101), (3554, 22971), (5331, 15314), (7657, 10662)]