81289492

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 151139520

約数和(自身を除く): 69850028

約数列:

[1, 2, 4, 53, 59, 67, 97, 106, 118, 134, 194, 212, 236, 268, 388, 3127, 3551, 3953, 5141, 5723, 6254, 6499, 7102, 7906, 10282, 11446, 12508, 12998, 14204, 15812, 20564, 22892, 25996, 209509, 303319, 344447, 383441, 419018, 606638, 688894, 766882, 838036, 1213276, 1377788, 1533764, 20322373, 40644746, 81289492]

約数ペア:

[(1, 81289492), (2, 40644746), (4, 20322373), (53, 1533764), (59, 1377788), (67, 1213276), (97, 838036), (106, 766882), (118, 688894), (134, 606638), (194, 419018), (212, 383441), (236, 344447), (268, 303319), (388, 209509), (3127, 25996), (3551, 22892), (3953, 20564), (5141, 15812), (5723, 14204), (6254, 12998), (6499, 12508), (7102, 11446), (7906, 10282)]