28991988

素因数分解:

$2^2\times 3^2\times {\mathrm{805333}}^1$

素因数の和:805343

約数の個数: 18

約数和(自身を含む): 73285394

約数和(自身を除く): 44293406

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 805333, 1610666, 2415999, 3221332, 4831998, 7247997, 9663996, 14495994, 28991988]

約数ペア:

[(1, 28991988), (2, 14495994), (3, 9663996), (4, 7247997), (6, 4831998), (9, 3221332), (12, 2415999), (18, 1610666), (36, 805333)]