81503450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{691}}^1$

素因数の和:1047

約数の個数: 48

約数和(自身を含む): 174018624

約数和(自身を除く): 92515174

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 337, 350, 674, 691, 1382, 1685, 2359, 3370, 3455, 4718, 4837, 6910, 8425, 9674, 11795, 16850, 17275, 23590, 24185, 34550, 48370, 58975, 117950, 120925, 232867, 241850, 465734, 1164335, 1630069, 2328670, 3260138, 5821675, 8150345, 11643350, 16300690, 40751725, 81503450]

約数ペア:

[(1, 81503450), (2, 40751725), (5, 16300690), (7, 11643350), (10, 8150345), (14, 5821675), (25, 3260138), (35, 2328670), (50, 1630069), (70, 1164335), (175, 465734), (337, 241850), (350, 232867), (674, 120925), (691, 117950), (1382, 58975), (1685, 48370), (2359, 34550), (3370, 24185), (3455, 23590), (4718, 17275), (4837, 16850), (6910, 11795), (8425, 9674)]