91216895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 141364224

約数和(自身を除く): 50147329

約数列:

[1, 5, 7, 11, 35, 47, 55, 71, 77, 235, 329, 355, 385, 497, 517, 781, 1645, 2485, 2585, 3337, 3619, 3905, 5041, 5467, 16685, 18095, 23359, 25205, 27335, 35287, 36707, 55451, 116795, 176435, 183535, 236927, 256949, 277255, 388157, 1184635, 1284745, 1658489, 1940785, 2606197, 8292445, 13030985, 18243379, 91216895]

約数ペア:

[(1, 91216895), (5, 18243379), (7, 13030985), (11, 8292445), (35, 2606197), (47, 1940785), (55, 1658489), (71, 1284745), (77, 1184635), (235, 388157), (329, 277255), (355, 256949), (385, 236927), (497, 183535), (517, 176435), (781, 116795), (1645, 55451), (2485, 36707), (2585, 35287), (3337, 27335), (3619, 25205), (3905, 23359), (5041, 18095), (5467, 16685)]