208638215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1\times {\mathrm{1567}}^1$

素因数の和:2462

約数の個数: 16

約数和(自身を含む): 258908160

約数和(自身を除く): 50269945

約数列:

[1, 5, 31, 155, 859, 1567, 4295, 7835, 26629, 48577, 133145, 242885, 1346053, 6730265, 41727643, 208638215]

約数ペア:

[(1, 208638215), (5, 41727643), (31, 6730265), (155, 1346053), (859, 242885), (1567, 133145), (4295, 48577), (7835, 26629)]