55381907

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 67869216

約数和(自身を除く): 12487309

約数列:

[1, 7, 23, 49, 157, 161, 313, 1099, 1127, 2191, 3611, 7199, 7693, 15337, 25277, 49141, 50393, 176939, 343987, 352751, 1130243, 2407909, 7911701, 55381907]

約数ペア:

[(1, 55381907), (7, 7911701), (23, 2407909), (49, 1130243), (157, 352751), (161, 343987), (313, 176939), (1099, 50393), (1127, 49141), (2191, 25277), (3611, 15337), (7199, 7693)]