81631404

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{78191}}^1$

素因数の和:78230

約数の個数: 36

約数和(自身を含む): 213464160

約数和(自身を除く): 131832756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 78191, 156382, 234573, 312764, 469146, 703719, 938292, 1407438, 2267539, 2814876, 4535078, 6802617, 9070156, 13605234, 20407851, 27210468, 40815702, 81631404]

約数ペア:

[(1, 81631404), (2, 40815702), (3, 27210468), (4, 20407851), (6, 13605234), (9, 9070156), (12, 6802617), (18, 4535078), (29, 2814876), (36, 2267539), (58, 1407438), (87, 938292), (116, 703719), (174, 469146), (261, 312764), (348, 234573), (522, 156382), (1044, 78191)]