81862312

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9311}}^1$

素因数の和:9481

約数の個数: 32

約数和(自身を含む): 176555520

約数和(自身を除く): 94693208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 9311, 18622, 37244, 65177, 74488, 130354, 260708, 521416, 1461827, 2923654, 5847308, 10232789, 11694616, 20465578, 40931156, 81862312]

約数ペア:

[(1, 81862312), (2, 40931156), (4, 20465578), (7, 11694616), (8, 10232789), (14, 5847308), (28, 2923654), (56, 1461827), (157, 521416), (314, 260708), (628, 130354), (1099, 74488), (1256, 65177), (2198, 37244), (4396, 18622), (8792, 9311)]