15999202

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 24552000

約数和(自身を除く): 8552798

約数列:

[1, 2, 61, 122, 199, 398, 659, 1318, 12139, 24278, 40199, 80398, 131141, 262282, 7999601, 15999202]

約数ペア:

[(1, 15999202), (2, 7999601), (61, 262282), (122, 131141), (199, 80398), (398, 40199), (659, 24278), (1318, 12139)]