7784042

素因数分解:

$2^1\times 7^4\times {\mathrm{1621}}^1$

素因数の和:1651

約数の個数: 20

約数和(自身を含む): 13629666

約数和(自身を除く): 5845624

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 1621, 2401, 3242, 4802, 11347, 22694, 79429, 158858, 556003, 1112006, 3892021, 7784042]

約数ペア:

[(1, 7784042), (2, 3892021), (7, 1112006), (14, 556003), (49, 158858), (98, 79429), (343, 22694), (686, 11347), (1621, 4802), (2401, 3242)]