2156682997

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{15329}}^1$

素因数の和:15636

約数の個数: 16

約数和(自身を含む): 2501856000

約数和(自身を除く): 345173003

約数列:

[1, 7, 101, 199, 707, 1393, 15329, 20099, 107303, 140693, 1548229, 3050471, 10837603, 21353297, 308097571, 2156682997]

約数ペア:

[(1, 2156682997), (7, 308097571), (101, 21353297), (199, 10837603), (707, 3050471), (1393, 1548229), (15329, 140693), (20099, 107303)]