28795165

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 43452288

約数和(自身を除く): 14657123

約数列:

[1, 5, 7, 19, 35, 43, 53, 95, 133, 215, 265, 301, 361, 371, 665, 817, 1007, 1505, 1805, 1855, 2279, 2527, 4085, 5035, 5719, 7049, 11395, 12635, 15523, 15953, 19133, 28595, 35245, 43301, 77615, 79765, 95665, 108661, 133931, 216505, 303107, 543305, 669655, 822719, 1515535, 4113595, 5759033, 28795165]

約数ペア:

[(1, 28795165), (5, 5759033), (7, 4113595), (19, 1515535), (35, 822719), (43, 669655), (53, 543305), (95, 303107), (133, 216505), (215, 133931), (265, 108661), (301, 95665), (361, 79765), (371, 77615), (665, 43301), (817, 35245), (1007, 28595), (1505, 19133), (1805, 15953), (1855, 15523), (2279, 12635), (2527, 11395), (4085, 7049), (5035, 5719)]