28901264

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3109}}^1$

素因数の和:3207

約数の個数: 40

約数和(自身を含む): 64787520

約数和(自身を除く): 35886256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 3109, 4648, 6218, 9296, 12436, 21763, 24872, 43526, 49744, 87052, 174104, 258047, 348208, 516094, 1032188, 1806329, 2064376, 3612658, 4128752, 7225316, 14450632, 28901264]

約数ペア:

[(1, 28901264), (2, 14450632), (4, 7225316), (7, 4128752), (8, 3612658), (14, 2064376), (16, 1806329), (28, 1032188), (56, 516094), (83, 348208), (112, 258047), (166, 174104), (332, 87052), (581, 49744), (664, 43526), (1162, 24872), (1328, 21763), (2324, 12436), (3109, 9296), (4648, 6218)]