208538255

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{1601}}^1$

素因数の和:1954

約数の個数: 16

約数和(自身を含む): 253756800

約数和(自身を除く): 45218545

約数列:

[1, 5, 109, 239, 545, 1195, 1601, 8005, 26051, 130255, 174509, 382639, 872545, 1913195, 41707651, 208538255]

約数ペア:

[(1, 208538255), (5, 41707651), (109, 1913195), (239, 872545), (545, 382639), (1195, 174509), (1601, 130255), (8005, 26051)]