28212961

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 5051039

約数列:

[1, 7, 41, 197, 287, 499, 1379, 3493, 8077, 20459, 56539, 98303, 143213, 688121, 4030423, 28212961]

約数ペア:

[(1, 28212961), (7, 4030423), (41, 688121), (197, 143213), (287, 98303), (499, 56539), (1379, 20459), (3493, 8077)]