199953281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 220976640

約数和(自身を除く): 21023359

約数列:

[1, 11, 137, 277, 479, 1507, 3047, 5269, 37949, 65623, 132683, 417439, 721853, 1459513, 18177571, 199953281]

約数ペア:

[(1, 199953281), (11, 18177571), (137, 1459513), (277, 721853), (479, 417439), (1507, 132683), (3047, 65623), (5269, 37949)]