1990643343

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{646103}}^1$

素因数の和:646198

約数の個数: 16

約数和(自身を含む): 2894545920

約数和(自身を除く): 903902577

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 646103, 1938309, 8399339, 25198017, 51042137, 153126411, 663547781, 1990643343]

約数ペア:

[(1, 1990643343), (3, 663547781), (13, 153126411), (39, 51042137), (79, 25198017), (237, 8399339), (1027, 1938309), (3081, 646103)]