64702690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3919}}^1$

素因数の和:4066

約数の個数: 32

約数和(自身を含む): 126443520

約数和(自身を除く): 61740830

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 3919, 7838, 8255, 16510, 19595, 39190, 50947, 101894, 254735, 497713, 509470, 995426, 2488565, 4977130, 6470269, 12940538, 32351345, 64702690]

約数ペア:

[(1, 64702690), (2, 32351345), (5, 12940538), (10, 6470269), (13, 4977130), (26, 2488565), (65, 995426), (127, 509470), (130, 497713), (254, 254735), (635, 101894), (1270, 50947), (1651, 39190), (3302, 19595), (3919, 16510), (7838, 8255)]