216973105

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{5333}}^1$

素因数の和:5520

約数の個数: 16

約数和(自身を含む): 266273280

約数和(自身を除く): 49300175

約数列:

[1, 5, 79, 103, 395, 515, 5333, 8137, 26665, 40685, 421307, 549299, 2106535, 2746495, 43394621, 216973105]

約数ペア:

[(1, 216973105), (5, 43394621), (79, 2746495), (103, 2106535), (395, 549299), (515, 421307), (5333, 40685), (8137, 26665)]