81165768

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78649}}^1$

素因数の和:78701

約数の個数: 32

約数和(自身を含む): 207636000

約数和(自身を除く): 126470232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 78649, 157298, 235947, 314596, 471894, 629192, 943788, 1887576, 3381907, 6763814, 10145721, 13527628, 20291442, 27055256, 40582884, 81165768]

約数ペア:

[(1, 81165768), (2, 40582884), (3, 27055256), (4, 20291442), (6, 13527628), (8, 10145721), (12, 6763814), (24, 3381907), (43, 1887576), (86, 943788), (129, 629192), (172, 471894), (258, 314596), (344, 235947), (516, 157298), (1032, 78649)]