84639415

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{4373}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 119672640

約数和(自身を除く): 35033225

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 2765, 3871, 4373, 19355, 21865, 30611, 153055, 214277, 345467, 1071385, 1727335, 2418269, 12091345, 16927883, 84639415]

約数ペア:

[(1, 84639415), (5, 16927883), (7, 12091345), (35, 2418269), (49, 1727335), (79, 1071385), (245, 345467), (395, 214277), (553, 153055), (2765, 30611), (3871, 21865), (4373, 19355)]