28713386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 48117888

約数和(自身を除く): 19404502

約数列:

[1, 2, 13, 26, 53, 67, 106, 134, 311, 622, 689, 871, 1378, 1742, 3551, 4043, 7102, 8086, 16483, 20837, 32966, 41674, 46163, 92326, 214279, 270881, 428558, 541762, 1104361, 2208722, 14356693, 28713386]

約数ペア:

[(1, 28713386), (2, 14356693), (13, 2208722), (26, 1104361), (53, 541762), (67, 428558), (106, 270881), (134, 214279), (311, 92326), (622, 46163), (689, 41674), (871, 32966), (1378, 20837), (1742, 16483), (3551, 8086), (4043, 7102)]