221330245

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1\times {\mathrm{1601}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 272365632

約数和(自身を除く): 51035387

約数列:

[1, 5, 43, 215, 643, 1601, 3215, 8005, 27649, 68843, 138245, 344215, 1029443, 5147215, 44266049, 221330245]

約数ペア:

[(1, 221330245), (5, 44266049), (43, 5147215), (215, 1029443), (643, 344215), (1601, 138245), (3215, 68843), (8005, 27649)]