64849719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2067

約数の個数: 32

約数和(自身を含む): 100767744

約数和(自身を除く): 35918025

約数列:

[1, 3, 11, 23, 33, 43, 69, 129, 253, 473, 759, 989, 1419, 1987, 2967, 5961, 10879, 21857, 32637, 45701, 65571, 85441, 137103, 256323, 502711, 939851, 1508133, 1965143, 2819553, 5895429, 21616573, 64849719]

約数ペア:

[(1, 64849719), (3, 21616573), (11, 5895429), (23, 2819553), (33, 1965143), (43, 1508133), (69, 939851), (129, 502711), (253, 256323), (473, 137103), (759, 85441), (989, 65571), (1419, 45701), (1987, 32637), (2967, 21857), (5961, 10879)]