12640026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{300953}}^1$

素因数の和:300965

約数の個数: 16

約数和(自身を含む): 28891584

約数和(自身を除く): 16251558

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 300953, 601906, 902859, 1805718, 2106671, 4213342, 6320013, 12640026]

約数ペア:

[(1, 12640026), (2, 6320013), (3, 4213342), (6, 2106671), (7, 1805718), (14, 902859), (21, 601906), (42, 300953)]