28008455

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 34471008

約数和(自身を除く): 6462553

約数列:

[1, 5, 61, 131, 305, 655, 701, 3505, 7991, 39955, 42761, 91831, 213805, 459155, 5601691, 28008455]

約数ペア:

[(1, 28008455), (5, 5601691), (61, 459155), (131, 213805), (305, 91831), (655, 42761), (701, 39955), (3505, 7991)]