81110575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 125366976

約数和(自身を除く): 44256401

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 101, 175, 325, 353, 455, 505, 707, 1313, 1765, 2275, 2471, 2525, 3535, 4589, 6565, 8825, 9191, 12355, 17675, 22945, 32123, 32825, 35653, 45955, 61775, 114725, 160615, 178265, 229775, 249571, 463489, 803075, 891325, 1247855, 2317445, 3244423, 6239275, 11587225, 16222115, 81110575]

約数ペア:

[(1, 81110575), (5, 16222115), (7, 11587225), (13, 6239275), (25, 3244423), (35, 2317445), (65, 1247855), (91, 891325), (101, 803075), (175, 463489), (325, 249571), (353, 229775), (455, 178265), (505, 160615), (707, 114725), (1313, 61775), (1765, 45955), (2275, 35653), (2471, 32825), (2525, 32123), (3535, 22945), (4589, 17675), (6565, 12355), (8825, 9191)]