4002089

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 5270400

約数和(自身を除く): 1268311

約数列:

[1, 7, 13, 17, 91, 119, 169, 199, 221, 1183, 1393, 1547, 2587, 2873, 3383, 18109, 20111, 23681, 33631, 43979, 235417, 307853, 571727, 4002089]

約数ペア:

[(1, 4002089), (7, 571727), (13, 307853), (17, 235417), (91, 43979), (119, 33631), (169, 23681), (199, 20111), (221, 18109), (1183, 3383), (1393, 2873), (1547, 2587)]