399989243

素因数分解:

${\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1\times {\mathrm{613}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 428906016

約数和(自身を除く): 28916773

約数列:

[1, 17, 131, 293, 613, 2227, 4981, 10421, 38383, 80303, 179609, 652511, 1365151, 3053353, 23528779, 399989243]

約数ペア:

[(1, 399989243), (17, 23528779), (131, 3053353), (293, 1365151), (613, 652511), (2227, 179609), (4981, 80303), (10421, 38383)]