3998113

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 5022720

約数和(自身を除く): 1024607

約数列:

[1, 7, 19, 23, 133, 161, 437, 1307, 3059, 9149, 24833, 30061, 173831, 210427, 571159, 3998113]

約数ペア:

[(1, 3998113), (7, 571159), (19, 210427), (23, 173831), (133, 30061), (161, 24833), (437, 9149), (1307, 3059)]