28891254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12979}}^1$

素因数の和:13044

約数の個数: 32

約数和(自身を含む): 67288320

約数和(自身を除く): 38397066

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 12979, 25958, 38937, 77874, 90853, 181706, 272559, 545118, 687887, 1375774, 2063661, 4127322, 4815209, 9630418, 14445627, 28891254]

約数ペア:

[(1, 28891254), (2, 14445627), (3, 9630418), (6, 4815209), (7, 4127322), (14, 2063661), (21, 1375774), (42, 687887), (53, 545118), (106, 272559), (159, 181706), (318, 90853), (371, 77874), (742, 38937), (1113, 25958), (2226, 12979)]