256486113

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{967}}^1\times {\mathrm{2267}}^1$

素因数の和:3253

約数の個数: 24

約数和(自身を含む): 399567168

約数和(自身を除く): 143081055

約数列:

[1, 3, 9, 13, 39, 117, 967, 2267, 2901, 6801, 8703, 12571, 20403, 29471, 37713, 88413, 113139, 265239, 2192189, 6576567, 19729701, 28498457, 85495371, 256486113]

約数ペア:

[(1, 256486113), (3, 85495371), (9, 28498457), (13, 19729701), (39, 6576567), (117, 2192189), (967, 265239), (2267, 113139), (2901, 88413), (6801, 37713), (8703, 29471), (12571, 20403)]