28690285

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1837

約数の個数: 24

約数和(自身を含む): 39264480

約数和(自身を除く): 10574195

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 1787, 3211, 8935, 16055, 23231, 33953, 116155, 169765, 302003, 441389, 1510015, 2206945, 5738057, 28690285]

約数ペア:

[(1, 28690285), (5, 5738057), (13, 2206945), (19, 1510015), (65, 441389), (95, 302003), (169, 169765), (247, 116155), (845, 33953), (1235, 23231), (1787, 16055), (3211, 8935)]