28210765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 11706035

約数列:

[1, 5, 11, 23, 29, 55, 115, 145, 253, 319, 667, 769, 1265, 1595, 3335, 3845, 7337, 8459, 17687, 22301, 36685, 42295, 88435, 111505, 194557, 245311, 512923, 972785, 1226555, 2564615, 5642153, 28210765]

約数ペア:

[(1, 28210765), (5, 5642153), (11, 2564615), (23, 1226555), (29, 972785), (55, 512923), (115, 245311), (145, 194557), (253, 111505), (319, 88435), (667, 42295), (769, 36685), (1265, 22301), (1595, 17687), (3335, 8459), (3845, 7337)]