2768129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 3588480

約数和(自身を除く): 820351

約数列:

[1, 7, 13, 19, 91, 133, 247, 1601, 1729, 11207, 20813, 30419, 145691, 212933, 395447, 2768129]

約数ペア:

[(1, 2768129), (7, 395447), (13, 212933), (19, 145691), (91, 30419), (133, 20813), (247, 11207), (1601, 1729)]