78293755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 105228288

約数和(自身を除く): 26934533

約数列:

[1, 5, 17, 31, 43, 85, 155, 215, 527, 691, 731, 1333, 2635, 3455, 3655, 6665, 11747, 21421, 22661, 29713, 58735, 107105, 113305, 148565, 364157, 505121, 921103, 1820785, 2525605, 4605515, 15658751, 78293755]

約数ペア:

[(1, 78293755), (5, 15658751), (17, 4605515), (31, 2525605), (43, 1820785), (85, 921103), (155, 505121), (215, 364157), (527, 148565), (691, 113305), (731, 107105), (1333, 58735), (2635, 29713), (3455, 22661), (3655, 21421), (6665, 11747)]