205017385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{3457}}^1$

素因数の和:3900

約数の個数: 16

約数和(自身を含む): 255200400

約数和(自身を除く): 50183015

約数列:

[1, 5, 29, 145, 409, 2045, 3457, 11861, 17285, 59305, 100253, 501265, 1413913, 7069565, 41003477, 205017385]

約数ペア:

[(1, 205017385), (5, 41003477), (29, 7069565), (145, 1413913), (409, 501265), (2045, 100253), (3457, 59305), (11861, 17285)]