28762786

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2050

約数の個数: 24

約数和(自身を含む): 47828880

約数和(自身を除く): 19066094

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 1979, 3958, 7267, 14534, 25727, 51454, 85097, 170194, 334451, 668902, 1106261, 2212522, 14381393, 28762786]

約数ペア:

[(1, 28762786), (2, 14381393), (13, 2212522), (26, 1106261), (43, 668902), (86, 334451), (169, 170194), (338, 85097), (559, 51454), (1118, 25727), (1979, 14534), (3958, 7267)]