386317939

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 468357120

約数和(自身を除く): 82039181

約数列:

[1, 7, 31, 83, 89, 217, 241, 581, 623, 1687, 2573, 2759, 7387, 7471, 18011, 19313, 20003, 21449, 51709, 52297, 140021, 150143, 228997, 620093, 664919, 1602979, 1780267, 4340651, 4654433, 12461869, 55188277, 386317939]

約数ペア:

[(1, 386317939), (7, 55188277), (31, 12461869), (83, 4654433), (89, 4340651), (217, 1780267), (241, 1602979), (581, 664919), (623, 620093), (1687, 228997), (2573, 150143), (2759, 140021), (7387, 52297), (7471, 51709), (18011, 21449), (19313, 20003)]