256260695

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{44221}}^1$

素因数の和:44306

約数の個数: 16

約数和(自身を含む): 329011680

約数和(自身を除く): 72750985

約数列:

[1, 5, 19, 61, 95, 305, 1159, 5795, 44221, 221105, 840199, 2697481, 4200995, 13487405, 51252139, 256260695]

約数ペア:

[(1, 256260695), (5, 51252139), (19, 13487405), (61, 4200995), (95, 2697481), (305, 840199), (1159, 221105), (5795, 44221)]