28717507

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 8538173

約数列:

[1, 7, 13, 41, 43, 91, 179, 287, 301, 533, 559, 1253, 1763, 2327, 3731, 3913, 7339, 7697, 12341, 16289, 22919, 51373, 53879, 95407, 100061, 160433, 315577, 667849, 700427, 2209039, 4102501, 28717507]

約数ペア:

[(1, 28717507), (7, 4102501), (13, 2209039), (41, 700427), (43, 667849), (91, 315577), (179, 160433), (287, 100061), (301, 95407), (533, 53879), (559, 51373), (1253, 22919), (1763, 16289), (2327, 12341), (3731, 7697), (3913, 7339)]