1285207051315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{208699}}^1$

素因数の和:208888

約数の個数: 64

約数和(自身を含む): 1817593344000

約数和(自身を除く): 532386292685

約数列:

[1, 5, 11, 19, 55, 71, 83, 95, 209, 355, 415, 781, 913, 1045, 1349, 1577, 3905, 4565, 5893, 6745, 7885, 14839, 17347, 29465, 64823, 74195, 86735, 111967, 208699, 324115, 559835, 1043495, 1231637, 2295689, 3965281, 6158185, 11478445, 14817629, 17322017, 19826405, 43618091, 74088145, 86610085, 162993919, 190542187, 218090455, 281534951, 329118323, 814969595, 952710935, 1229863207, 1407674755, 1645591615, 3096884461, 3620301553, 6149316035, 13528495277, 15484422305, 18101507765, 23367400933, 67642476385, 116837004665, 257041410263, 1285207051315]

約数ペア:

[(1, 1285207051315), (5, 257041410263), (11, 116837004665), (19, 67642476385), (55, 23367400933), (71, 18101507765), (83, 15484422305), (95, 13528495277), (209, 6149316035), (355, 3620301553), (415, 3096884461), (781, 1645591615), (913, 1407674755), (1045, 1229863207), (1349, 952710935), (1577, 814969595), (3905, 329118323), (4565, 281534951), (5893, 218090455), (6745, 190542187), (7885, 162993919), (14839, 86610085), (17347, 74088145), (29465, 43618091), (64823, 19826405), (74195, 17322017), (86735, 14817629), (111967, 11478445), (208699, 6158185), (324115, 3965281), (559835, 2295689), (1043495, 1231637)]