648380944

素因数分解:

$2^4\times {\mathrm{1543}}^1\times {\mathrm{26263}}^1$

素因数の和:27814

約数の個数: 20

約数和(自身を含む): 1257100096

約数和(自身を除く): 608719152

約数列:

[1, 2, 4, 8, 16, 1543, 3086, 6172, 12344, 24688, 26263, 52526, 105052, 210104, 420208, 40523809, 81047618, 162095236, 324190472, 648380944]

約数ペア:

[(1, 648380944), (2, 324190472), (4, 162095236), (8, 81047618), (16, 40523809), (1543, 420208), (3086, 210104), (6172, 105052), (12344, 52526), (24688, 26263)]