28578904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{210139}}^1$

素因数の和:210162

約数の個数: 16

約数和(自身を含む): 56737800

約数和(自身を除く): 28158896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 210139, 420278, 840556, 1681112, 3572363, 7144726, 14289452, 28578904]

約数ペア:

[(1, 28578904), (2, 14289452), (4, 7144726), (8, 3572363), (17, 1681112), (34, 840556), (68, 420278), (136, 210139)]