28931286

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{209647}}^1$

素因数の和:209675

約数の個数: 16

約数和(自身を含む): 60378624

約数和(自身を除く): 31447338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 209647, 419294, 628941, 1257882, 4821881, 9643762, 14465643, 28931286]

約数ペア:

[(1, 28931286), (2, 14465643), (3, 9643762), (6, 4821881), (23, 1257882), (46, 628941), (69, 419294), (138, 209647)]