25418071

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 29721600

約数和(自身を除く): 4303529

約数列:

[1, 7, 71, 199, 257, 497, 1393, 1799, 14129, 18247, 51143, 98903, 127729, 358001, 3631153, 25418071]

約数ペア:

[(1, 25418071), (7, 3631153), (71, 358001), (199, 127729), (257, 98903), (497, 51143), (1393, 18247), (1799, 14129)]