80804492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^2\times {\mathrm{113}}^1$

素因数の和:330

約数の個数: 36

約数和(自身を含む): 151731720

約数和(自身を除く): 70927228

約数列:

[1, 2, 4, 19, 38, 76, 97, 113, 194, 226, 388, 452, 1843, 2147, 3686, 4294, 7372, 8588, 9409, 10961, 18818, 21922, 37636, 43844, 178771, 208259, 357542, 416518, 715084, 833036, 1063217, 2126434, 4252868, 20201123, 40402246, 80804492]

約数ペア:

[(1, 80804492), (2, 40402246), (4, 20201123), (19, 4252868), (38, 2126434), (76, 1063217), (97, 833036), (113, 715084), (194, 416518), (226, 357542), (388, 208259), (452, 178771), (1843, 43844), (2147, 37636), (3686, 21922), (4294, 18818), (7372, 10961), (8588, 9409)]