16991286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7027}}^1$

素因数の和:7076

約数の個数: 32

約数和(自身を含む): 37782528

約数和(自身を除く): 20791242

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 7027, 14054, 21081, 42162, 91351, 182702, 217837, 274053, 435674, 548106, 653511, 1307022, 2831881, 5663762, 8495643, 16991286]

約数ペア:

[(1, 16991286), (2, 8495643), (3, 5663762), (6, 2831881), (13, 1307022), (26, 653511), (31, 548106), (39, 435674), (62, 274053), (78, 217837), (93, 182702), (186, 91351), (403, 42162), (806, 21081), (1209, 14054), (2418, 7027)]