156973999

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2969}}^1$

素因数の和:3079

約数の個数: 24

約数和(自身を含む): 199085040

約数和(自身を除く): 42111041

約数列:

[1, 7, 13, 49, 83, 91, 581, 637, 1079, 2969, 4067, 7553, 20783, 38597, 52871, 145481, 246427, 270179, 1724989, 1891253, 3203551, 12074923, 22424857, 156973999]

約数ペア:

[(1, 156973999), (7, 22424857), (13, 12074923), (49, 3203551), (83, 1891253), (91, 1724989), (581, 270179), (637, 246427), (1079, 145481), (2969, 52871), (4067, 38597), (7553, 20783)]