28053974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 48432384

約数和(自身を除く): 20378410

約数列:

[1, 2, 13, 23, 26, 43, 46, 86, 299, 559, 598, 989, 1091, 1118, 1978, 2182, 12857, 14183, 25093, 25714, 28366, 46913, 50186, 93826, 326209, 609869, 652418, 1078999, 1219738, 2157998, 14026987, 28053974]

約数ペア:

[(1, 28053974), (2, 14026987), (13, 2157998), (23, 1219738), (26, 1078999), (43, 652418), (46, 609869), (86, 326209), (299, 93826), (559, 50186), (598, 46913), (989, 28366), (1091, 25714), (1118, 25093), (1978, 14183), (2182, 12857)]