16622975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 21605760

約数和(自身を除く): 4982785

約数列:

[1, 5, 25, 31, 89, 155, 241, 445, 775, 1205, 2225, 2759, 6025, 7471, 13795, 21449, 37355, 68975, 107245, 186775, 536225, 664919, 3324595, 16622975]

約数ペア:

[(1, 16622975), (5, 3324595), (25, 664919), (31, 536225), (89, 186775), (155, 107245), (241, 68975), (445, 37355), (775, 21449), (1205, 13795), (2225, 7471), (2759, 6025)]