28991268

素因数分解:

$2^2\times 3^2\times {\mathrm{805313}}^1$

素因数の和:805323

約数の個数: 18

約数和(自身を含む): 73283574

約数和(自身を除く): 44292306

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 805313, 1610626, 2415939, 3221252, 4831878, 7247817, 9663756, 14495634, 28991268]

約数ペア:

[(1, 28991268), (2, 14495634), (3, 9663756), (4, 7247817), (6, 4831878), (9, 3221252), (12, 2415939), (18, 1610626), (36, 805313)]