80881864

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21557}}^1$

素因数の和:21637

約数の個数: 32

約数和(自身を含む): 175913280

約数和(自身を除く): 95031416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 21557, 43114, 86228, 150899, 172456, 301798, 603596, 1207192, 1444319, 2888638, 5777276, 10110233, 11554552, 20220466, 40440932, 80881864]

約数ペア:

[(1, 80881864), (2, 40440932), (4, 20220466), (7, 11554552), (8, 10110233), (14, 5777276), (28, 2888638), (56, 1444319), (67, 1207192), (134, 603596), (268, 301798), (469, 172456), (536, 150899), (938, 86228), (1876, 43114), (3752, 21557)]