285991775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{1409}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 371360160

約数和(自身を除く): 85368385

約数列:

[1, 5, 23, 25, 115, 353, 575, 1409, 1765, 7045, 8119, 8825, 32407, 35225, 40595, 162035, 202975, 497377, 810175, 2486885, 11439671, 12434425, 57198355, 285991775]

約数ペア:

[(1, 285991775), (5, 57198355), (23, 12434425), (25, 11439671), (115, 2486885), (353, 810175), (575, 497377), (1409, 202975), (1765, 162035), (7045, 40595), (8119, 35225), (8825, 32407)]