27997886

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 49533120

約数和(自身を除く): 21535234

約数列:

[1, 2, 7, 14, 53, 97, 106, 194, 371, 389, 679, 742, 778, 1358, 2723, 5141, 5446, 10282, 20617, 35987, 37733, 41234, 71974, 75466, 144319, 264131, 288638, 528262, 1999849, 3999698, 13998943, 27997886]

約数ペア:

[(1, 27997886), (2, 13998943), (7, 3999698), (14, 1999849), (53, 528262), (97, 288638), (106, 264131), (194, 144319), (371, 75466), (389, 71974), (679, 41234), (742, 37733), (778, 35987), (1358, 20617), (2723, 10282), (5141, 5446)]