81965436

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139397}}^1$

素因数の和:139418

約数の個数: 36

約数和(自身を含む): 222479208

約数和(自身を除く): 140513772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 139397, 278794, 418191, 557588, 836382, 975779, 1672764, 1951558, 2927337, 3903116, 5854674, 6830453, 11709348, 13660906, 20491359, 27321812, 40982718, 81965436]

約数ペア:

[(1, 81965436), (2, 40982718), (3, 27321812), (4, 20491359), (6, 13660906), (7, 11709348), (12, 6830453), (14, 5854674), (21, 3903116), (28, 2927337), (42, 1951558), (49, 1672764), (84, 975779), (98, 836382), (147, 557588), (196, 418191), (294, 278794), (588, 139397)]