28256914

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{5591}}^1$

素因数の和:5638

約数の個数: 24

約数和(自身を含む): 51133248

約数和(自身を除く): 22876334

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 5591, 11182, 39137, 78274, 106229, 212458, 743603, 1487206, 2018351, 4036702, 14128457, 28256914]

約数ペア:

[(1, 28256914), (2, 14128457), (7, 4036702), (14, 2018351), (19, 1487206), (38, 743603), (133, 212458), (266, 106229), (361, 78274), (722, 39137), (2527, 11182), (5054, 5591)]