81429404

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{5923}}^1$

素因数の和:6425

約数の個数: 24

約数和(自身を含む): 163218048

約数和(自身を除く): 81788644

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1964, 3437, 5923, 6874, 11846, 13748, 23692, 41461, 82922, 165844, 2908193, 5816386, 11632772, 20357351, 40714702, 81429404]

約数ペア:

[(1, 81429404), (2, 40714702), (4, 20357351), (7, 11632772), (14, 5816386), (28, 2908193), (491, 165844), (982, 82922), (1964, 41461), (3437, 23692), (5923, 13748), (6874, 11846)]