28559783

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 33623040

約数和(自身を除く): 5063257

約数列:

[1, 7, 43, 239, 301, 397, 1673, 2779, 10277, 17071, 71939, 94883, 119497, 664181, 4079969, 28559783]

約数ペア:

[(1, 28559783), (7, 4079969), (43, 664181), (239, 119497), (301, 94883), (397, 71939), (1673, 17071), (2779, 10277)]