28188278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{11677}}^1$

素因数の和:11767

約数の個数: 16

約数和(自身を含む): 45404064

約数和(自身を除く): 17215786

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 11677, 23354, 198509, 397018, 829067, 1658134, 14094139, 28188278]

約数ペア:

[(1, 28188278), (2, 14094139), (17, 1658134), (34, 829067), (71, 397018), (142, 198509), (1207, 23354), (2414, 11677)]