81303404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223361}}^1$

素因数の和:223385

約数の個数: 24

約数和(自身を含む): 175115808

約数和(自身を除く): 93812404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 223361, 446722, 893444, 1563527, 2903693, 3127054, 5807386, 6254108, 11614772, 20325851, 40651702, 81303404]

約数ペア:

[(1, 81303404), (2, 40651702), (4, 20325851), (7, 11614772), (13, 6254108), (14, 5807386), (26, 3127054), (28, 2903693), (52, 1563527), (91, 893444), (182, 446722), (364, 223361)]