28657826

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{821}}^1$

素因数の和:1417

約数の個数: 16

約数和(自身を含む): 44506368

約数和(自身を除く): 15848542

約数列:

[1, 2, 31, 62, 563, 821, 1126, 1642, 17453, 25451, 34906, 50902, 462223, 924446, 14328913, 28657826]

約数ペア:

[(1, 28657826), (2, 14328913), (31, 924446), (62, 462223), (563, 50902), (821, 34906), (1126, 25451), (1642, 17453)]