28605577

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 41682816

約数和(自身を除く): 13077239

約数列:

[1, 7, 11, 13, 17, 41, 77, 91, 119, 143, 187, 221, 287, 451, 533, 697, 1001, 1309, 1547, 1681, 2431, 3157, 3731, 4879, 5863, 7667, 9061, 11767, 17017, 18491, 21853, 28577, 41041, 53669, 63427, 99671, 129437, 152971, 200039, 240383, 314347, 371501, 697697, 1682681, 2200429, 2600507, 4086511, 28605577]

約数ペア:

[(1, 28605577), (7, 4086511), (11, 2600507), (13, 2200429), (17, 1682681), (41, 697697), (77, 371501), (91, 314347), (119, 240383), (143, 200039), (187, 152971), (221, 129437), (287, 99671), (451, 63427), (533, 53669), (697, 41041), (1001, 28577), (1309, 21853), (1547, 18491), (1681, 17017), (2431, 11767), (3157, 9061), (3731, 7667), (4879, 5863)]