28303093

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 36700160

約数和(自身を除く): 8397067

約数列:

[1, 7, 13, 31, 79, 91, 127, 217, 403, 553, 889, 1027, 1651, 2449, 2821, 3937, 7189, 10033, 11557, 17143, 27559, 31837, 51181, 70231, 130429, 222859, 311023, 358267, 913003, 2177161, 4043299, 28303093]

約数ペア:

[(1, 28303093), (7, 4043299), (13, 2177161), (31, 913003), (79, 358267), (91, 311023), (127, 222859), (217, 130429), (403, 70231), (553, 51181), (889, 31837), (1027, 27559), (1651, 17143), (2449, 11557), (2821, 10033), (3937, 7189)]