201309455

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{28697}}^1$

素因数の和:28786

約数の個数: 16

約数和(自身を含む): 256215744

約数和(自身を除く): 54906289

約数列:

[1, 5, 23, 61, 115, 305, 1403, 7015, 28697, 143485, 660031, 1750517, 3300155, 8752585, 40261891, 201309455]

約数ペア:

[(1, 201309455), (5, 40261891), (23, 8752585), (61, 3300155), (115, 1750517), (305, 660031), (1403, 143485), (7015, 28697)]