221671295

素因数分解:

$5^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1\times {\mathrm{719}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 268583040

約数和(自身を除く): 46911745

約数列:

[1, 5, 197, 313, 719, 985, 1565, 3595, 61661, 141643, 225047, 308305, 708215, 1125235, 44334259, 221671295]

約数ペア:

[(1, 221671295), (5, 44334259), (197, 1125235), (313, 708215), (719, 308305), (985, 225047), (1565, 141643), (3595, 61661)]