28791612

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1597

約数の個数: 72

約数和(自身を含む): 79497600

約数和(自身を除く): 50705988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1539, 1559, 2052, 3078, 3118, 4617, 4677, 6156, 6236, 9234, 9354, 14031, 18468, 18708, 28062, 29621, 42093, 56124, 59242, 84186, 88863, 118484, 126279, 168372, 177726, 252558, 266589, 355452, 378837, 505116, 533178, 757674, 799767, 1066356, 1515348, 1599534, 2399301, 3199068, 4798602, 7197903, 9597204, 14395806, 28791612]

約数ペア:

[(1, 28791612), (2, 14395806), (3, 9597204), (4, 7197903), (6, 4798602), (9, 3199068), (12, 2399301), (18, 1599534), (19, 1515348), (27, 1066356), (36, 799767), (38, 757674), (54, 533178), (57, 505116), (76, 378837), (81, 355452), (108, 266589), (114, 252558), (162, 177726), (171, 168372), (228, 126279), (243, 118484), (324, 88863), (342, 84186), (486, 59242), (513, 56124), (684, 42093), (972, 29621), (1026, 28062), (1539, 18708), (1559, 18468), (2052, 14031), (3078, 9354), (3118, 9234), (4617, 6236), (4677, 6156)]