642078808

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{82487}}^1$

素因数の和:82639

約数の個数: 32

約数和(自身を含む): 1385798400

約数和(自身を除く): 743719592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 82487, 164974, 329948, 577409, 659896, 1154818, 2309636, 4619272, 11465693, 22931386, 45862772, 80259851, 91725544, 160519702, 321039404, 642078808]

約数ペア:

[(1, 642078808), (2, 321039404), (4, 160519702), (7, 91725544), (8, 80259851), (14, 45862772), (28, 22931386), (56, 11465693), (139, 4619272), (278, 2309636), (556, 1154818), (973, 659896), (1112, 577409), (1946, 329948), (3892, 164974), (7784, 82487)]