81547886

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1091}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 147813120

約数和(自身を除く): 66265234

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 281, 562, 1091, 1967, 2182, 3934, 5339, 7637, 10678, 15274, 20729, 37373, 41458, 74746, 145103, 290206, 306571, 613142, 2145997, 4291994, 5824849, 11649698, 40773943, 81547886]

約数ペア:

[(1, 81547886), (2, 40773943), (7, 11649698), (14, 5824849), (19, 4291994), (38, 2145997), (133, 613142), (266, 306571), (281, 290206), (562, 145103), (1091, 74746), (1967, 41458), (2182, 37373), (3934, 20729), (5339, 15274), (7637, 10678)]