278889605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{12697}}^1$

素因数の和:12916

約数の個数: 16

約数和(自身を含む): 351074304

約数和(自身を除く): 72184699

約数列:

[1, 5, 23, 115, 191, 955, 4393, 12697, 21965, 63485, 292031, 1460155, 2425127, 12125635, 55777921, 278889605]

約数ペア:

[(1, 278889605), (5, 55777921), (23, 12125635), (115, 2425127), (191, 1460155), (955, 292031), (4393, 63485), (12697, 21965)]