28478768

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{17623}}^1$

素因数の和:17732

約数の個数: 20

約数和(自身を含む): 55727088

約数和(自身を除く): 27248320

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 17623, 35246, 70492, 140984, 281968, 1779923, 3559846, 7119692, 14239384, 28478768]

約数ペア:

[(1, 28478768), (2, 14239384), (4, 7119692), (8, 3559846), (16, 1779923), (101, 281968), (202, 140984), (404, 70492), (808, 35246), (1616, 17623)]