28689778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{4993}}^1$

素因数の和:5038

約数の個数: 24

約数和(自身を含む): 49350708

約数和(自身を除く): 20660930

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 4993, 5746, 9986, 64909, 84881, 129818, 169762, 843817, 1103453, 1687634, 2206906, 14344889, 28689778]

約数ペア:

[(1, 28689778), (2, 14344889), (13, 2206906), (17, 1687634), (26, 1103453), (34, 843817), (169, 169762), (221, 129818), (338, 84881), (442, 64909), (2873, 9986), (4993, 5746)]