77881412

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{12473}}^1$

素因数の和:12707

約数の個数: 24

約数和(自身を含む): 156473856

約数和(自身を除く): 78592444

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 12473, 24946, 49892, 87311, 174622, 349244, 2781479, 5562958, 11125916, 19470353, 38940706, 77881412]

約数ペア:

[(1, 77881412), (2, 38940706), (4, 19470353), (7, 11125916), (14, 5562958), (28, 2781479), (223, 349244), (446, 174622), (892, 87311), (1561, 49892), (3122, 24946), (6244, 12473)]