215314945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{6317}}^1$

素因数の和:6740

約数の個数: 16

約数和(自身を含む): 274302288

約数和(自身を除く): 58987343

約数列:

[1, 5, 17, 85, 401, 2005, 6317, 6817, 31585, 34085, 107389, 536945, 2533117, 12665585, 43062989, 215314945]

約数ペア:

[(1, 215314945), (5, 43062989), (17, 12665585), (85, 2533117), (401, 536945), (2005, 107389), (6317, 34085), (6817, 31585)]