28293485025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{70951}}^1$

素因数の和:71386

約数の個数: 48

約数和(自身を含む): 50500795520

約数和(自身を除く): 22207310495

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 409, 975, 1227, 2045, 5317, 6135, 10225, 15951, 26585, 30675, 70951, 79755, 132925, 212853, 354755, 398775, 922363, 1064265, 1773775, 2767089, 4611815, 5321325, 13835445, 23059075, 29018959, 69177225, 87056877, 145094795, 377246467, 435284385, 725473975, 1131739401, 1886232335, 2176421925, 5658697005, 9431161675, 28293485025]

約数ペア:

[(1, 28293485025), (3, 9431161675), (5, 5658697005), (13, 2176421925), (15, 1886232335), (25, 1131739401), (39, 725473975), (65, 435284385), (75, 377246467), (195, 145094795), (325, 87056877), (409, 69177225), (975, 29018959), (1227, 23059075), (2045, 13835445), (5317, 5321325), (6135, 4611815), (10225, 2767089), (15951, 1773775), (26585, 1064265), (30675, 922363), (70951, 398775), (79755, 354755), (132925, 212853)]