218990305

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{3163}}^1$

素因数の和:3456

約数の個数: 16

約数和(自身を含む): 268357824

約数和(自身を除く): 49367519

約数列:

[1, 5, 61, 227, 305, 1135, 3163, 13847, 15815, 69235, 192943, 718001, 964715, 3590005, 43798061, 218990305]

約数ペア:

[(1, 218990305), (5, 43798061), (61, 3590005), (227, 964715), (305, 718001), (1135, 192943), (3163, 69235), (13847, 15815)]