256475009

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{5471}}^1$

素因数の和:5696

約数の個数: 16

約数和(自身を含む): 302754816

約数和(自身を除く): 46279807

約数列:

[1, 7, 37, 181, 259, 1267, 5471, 6697, 38297, 46879, 202427, 990251, 1416989, 6931757, 36639287, 256475009]

約数ペア:

[(1, 256475009), (7, 36639287), (37, 6931757), (181, 1416989), (259, 990251), (1267, 202427), (5471, 46879), (6697, 38297)]