642768062

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{994997}}^1$

素因数の和:995035

約数の個数: 16

約数和(自身を含む): 1074597840

約数和(自身を除く): 431829778

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 994997, 1989994, 16914949, 18904943, 33829898, 37809886, 321384031, 642768062]

約数ペア:

[(1, 642768062), (2, 321384031), (17, 37809886), (19, 33829898), (34, 18904943), (38, 16914949), (323, 1989994), (646, 994997)]