28298795

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 13173205

約数列:

[1, 5, 7, 17, 35, 85, 119, 199, 239, 595, 995, 1195, 1393, 1673, 3383, 4063, 6965, 8365, 16915, 20315, 23681, 28441, 47561, 118405, 142205, 237805, 332927, 808537, 1664635, 4042685, 5659759, 28298795]

約数ペア:

[(1, 28298795), (5, 5659759), (7, 4042685), (17, 1664635), (35, 808537), (85, 332927), (119, 237805), (199, 142205), (239, 118405), (595, 47561), (995, 28441), (1195, 23681), (1393, 20315), (1673, 16915), (3383, 8365), (4063, 6965)]