81280626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1935253}}^1$

素因数の和:1935265

約数の個数: 16

約数和(自身を含む): 185784384

約数和(自身を除く): 104503758

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1935253, 3870506, 5805759, 11611518, 13546771, 27093542, 40640313, 81280626]

約数ペア:

[(1, 81280626), (2, 40640313), (3, 27093542), (6, 13546771), (7, 11611518), (14, 5805759), (21, 3870506), (42, 1935253)]