28278012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{336643}}^1$

素因数の和:336657

約数の個数: 24

約数和(自身を含む): 75408256

約数和(自身を除く): 47130244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 336643, 673286, 1009929, 1346572, 2019858, 2356501, 4039716, 4713002, 7069503, 9426004, 14139006, 28278012]

約数ペア:

[(1, 28278012), (2, 14139006), (3, 9426004), (4, 7069503), (6, 4713002), (7, 4039716), (12, 2356501), (14, 2019858), (21, 1346572), (28, 1009929), (42, 673286), (84, 336643)]