256217895

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{50387}}^1$

素因数の和:50511

約数の個数: 24

約数和(自身を含む): 448050096

約数和(自身を除く): 191832201

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 5085, 50387, 151161, 251935, 453483, 755805, 2267415, 5693731, 17081193, 28468655, 51243579, 85405965, 256217895]

約数ペア:

[(1, 256217895), (3, 85405965), (5, 51243579), (9, 28468655), (15, 17081193), (45, 5693731), (113, 2267415), (339, 755805), (565, 453483), (1017, 251935), (1695, 151161), (5085, 50387)]