2147678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 3792096

約数和(自身を除く): 1644418

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 113, 221, 226, 442, 559, 731, 1118, 1462, 1469, 1921, 2938, 3842, 4859, 9503, 9718, 19006, 24973, 49946, 63167, 82603, 126334, 165206, 1073839, 2147678]

約数ペア:

[(1, 2147678), (2, 1073839), (13, 165206), (17, 126334), (26, 82603), (34, 63167), (43, 49946), (86, 24973), (113, 19006), (221, 9718), (226, 9503), (442, 4859), (559, 3842), (731, 2938), (1118, 1921), (1462, 1469)]