28139286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15581}}^1$

素因数の和:15636

約数の個数: 32

約数和(自身を含む): 65818368

約数和(自身を除く): 37679082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 15581, 31162, 46743, 93486, 109067, 218134, 327201, 654402, 669983, 1339966, 2009949, 4019898, 4689881, 9379762, 14069643, 28139286]

約数ペア:

[(1, 28139286), (2, 14069643), (3, 9379762), (6, 4689881), (7, 4019898), (14, 2009949), (21, 1339966), (42, 669983), (43, 654402), (86, 327201), (129, 218134), (258, 109067), (301, 93486), (602, 46743), (903, 31162), (1806, 15581)]