678874864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1069}}^1\times {\mathrm{2089}}^1$

素因数の和:3185

約数の個数: 40

約数和(自身を含む): 1386506000

約数和(自身を除く): 707631136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1069, 2089, 2138, 4178, 4276, 8356, 8552, 16712, 17104, 20311, 33424, 39691, 40622, 79382, 81244, 158764, 162488, 317528, 324976, 635056, 2233141, 4466282, 8932564, 17865128, 35730256, 42429679, 84859358, 169718716, 339437432, 678874864]

約数ペア:

[(1, 678874864), (2, 339437432), (4, 169718716), (8, 84859358), (16, 42429679), (19, 35730256), (38, 17865128), (76, 8932564), (152, 4466282), (304, 2233141), (1069, 635056), (2089, 324976), (2138, 317528), (4178, 162488), (4276, 158764), (8356, 81244), (8552, 79382), (16712, 40622), (17104, 39691), (20311, 33424)]