1640394917

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1\times {\mathrm{6389}}^1$

素因数の和:7292

約数の個数: 16

約数和(自身を含む): 1920885120

約数和(自身を除く): 280490203

約数列:

[1, 7, 43, 301, 853, 5971, 6389, 36679, 44723, 256753, 274727, 1923089, 5449817, 38148719, 234342131, 1640394917]

約数ペア:

[(1, 1640394917), (7, 234342131), (43, 38148719), (301, 5449817), (853, 1923089), (5971, 274727), (6389, 256753), (36679, 44723)]