28788042

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{208609}}^1$

素因数の和:208637

約数の個数: 16

約数和(自身を含む): 60079680

約数和(自身を除く): 31291638

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 208609, 417218, 625827, 1251654, 4798007, 9596014, 14394021, 28788042]

約数ペア:

[(1, 28788042), (2, 14394021), (3, 9596014), (6, 4798007), (23, 1251654), (46, 625827), (69, 417218), (138, 208609)]