28259556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1693}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 71717184

約数和(自身を除く): 43457628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1284, 1391, 1693, 2782, 3386, 4173, 5079, 5564, 6772, 8346, 10158, 16692, 20316, 22009, 44018, 66027, 88036, 132054, 181151, 264108, 362302, 543453, 724604, 1086906, 2173812, 2354963, 4709926, 7064889, 9419852, 14129778, 28259556]

約数ペア:

[(1, 28259556), (2, 14129778), (3, 9419852), (4, 7064889), (6, 4709926), (12, 2354963), (13, 2173812), (26, 1086906), (39, 724604), (52, 543453), (78, 362302), (107, 264108), (156, 181151), (214, 132054), (321, 88036), (428, 66027), (642, 44018), (1284, 22009), (1391, 20316), (1693, 16692), (2782, 10158), (3386, 8346), (4173, 6772), (5079, 5564)]