27880138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1373}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 49859712

約数和(自身を除く): 21979574

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1373, 1562, 1846, 2746, 10153, 15103, 17849, 20306, 30206, 35698, 97483, 194966, 196339, 392678, 1072313, 1267279, 2144626, 2534558, 13940069, 27880138]

約数ペア:

[(1, 27880138), (2, 13940069), (11, 2534558), (13, 2144626), (22, 1267279), (26, 1072313), (71, 392678), (142, 196339), (143, 194966), (286, 97483), (781, 35698), (923, 30206), (1373, 20306), (1562, 17849), (1846, 15103), (2746, 10153)]