51319855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 70329600

約数和(自身を除く): 19009745

約数列:

[1, 5, 17, 19, 43, 85, 95, 215, 323, 731, 739, 817, 1615, 3655, 3695, 4085, 12563, 13889, 14041, 31777, 62815, 69445, 70205, 158885, 238697, 540209, 603763, 1193485, 2701045, 3018815, 10263971, 51319855]

約数ペア:

[(1, 51319855), (5, 10263971), (17, 3018815), (19, 2701045), (43, 1193485), (85, 603763), (95, 540209), (215, 238697), (323, 158885), (731, 70205), (739, 69445), (817, 62815), (1615, 31777), (3655, 14041), (3695, 13889), (4085, 12563)]