81541810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{10687}}^1$

素因数の和:10810

約数の個数: 32

約数和(自身を含む): 169297920

約数和(自身を除く): 87756110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 7630, 10687, 21374, 53435, 74809, 106870, 149618, 374045, 748090, 1164883, 2329766, 5824415, 8154181, 11648830, 16308362, 40770905, 81541810]

約数ペア:

[(1, 81541810), (2, 40770905), (5, 16308362), (7, 11648830), (10, 8154181), (14, 5824415), (35, 2329766), (70, 1164883), (109, 748090), (218, 374045), (545, 149618), (763, 106870), (1090, 74809), (1526, 53435), (3815, 21374), (7630, 10687)]