12905386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6991}}^1$

素因数の和:7077

約数の個数: 16

約数和(自身を含む): 21143808

約数和(自身を除く): 8238422

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 6991, 13982, 90883, 181766, 496361, 992722, 6452693, 12905386]

約数ペア:

[(1, 12905386), (2, 6452693), (13, 992722), (26, 496361), (71, 181766), (142, 90883), (923, 13982), (1846, 6991)]