28391116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 56377440

約数和(自身を除く): 27986324

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 67, 116, 134, 268, 281, 377, 562, 754, 871, 1124, 1508, 1742, 1943, 3484, 3653, 3886, 7306, 7772, 8149, 14612, 16298, 18827, 25259, 32596, 37654, 50518, 75308, 101036, 105937, 211874, 244751, 423748, 489502, 545983, 979004, 1091966, 2183932, 7097779, 14195558, 28391116]

約数ペア:

[(1, 28391116), (2, 14195558), (4, 7097779), (13, 2183932), (26, 1091966), (29, 979004), (52, 545983), (58, 489502), (67, 423748), (116, 244751), (134, 211874), (268, 105937), (281, 101036), (377, 75308), (562, 50518), (754, 37654), (871, 32596), (1124, 25259), (1508, 18827), (1742, 16298), (1943, 14612), (3484, 8149), (3653, 7772), (3886, 7306)]