128547425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 164203776

約数和(自身を除く): 35656351

約数列:

[1, 5, 25, 43, 197, 215, 607, 985, 1075, 3035, 4925, 8471, 15175, 26101, 42355, 119579, 130505, 211775, 597895, 652525, 2989475, 5141897, 25709485, 128547425]

約数ペア:

[(1, 128547425), (5, 25709485), (25, 5141897), (43, 2989475), (197, 652525), (215, 597895), (607, 211775), (985, 130505), (1075, 119579), (3035, 42355), (4925, 26101), (8471, 15175)]