90128885

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 140061312

約数和(自身を除く): 49932427

約数列:

[1, 5, 7, 11, 35, 49, 53, 55, 77, 245, 265, 371, 385, 539, 583, 631, 1855, 2597, 2695, 2915, 3155, 4081, 4417, 6941, 12985, 20405, 22085, 28567, 30919, 33443, 34705, 48587, 142835, 154595, 167215, 234101, 242935, 340109, 367873, 1170505, 1638707, 1700545, 1839365, 2575111, 8193535, 12875555, 18025777, 90128885]

約数ペア:

[(1, 90128885), (5, 18025777), (7, 12875555), (11, 8193535), (35, 2575111), (49, 1839365), (53, 1700545), (55, 1638707), (77, 1170505), (245, 367873), (265, 340109), (371, 242935), (385, 234101), (539, 167215), (583, 154595), (631, 142835), (1855, 48587), (2597, 34705), (2695, 33443), (2915, 30919), (3155, 28567), (4081, 22085), (4417, 20405), (6941, 12985)]