249996538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{160049}}^1$

素因数の和:160133

約数の個数: 16

約数和(自身を含む): 414849600

約数和(自身を除く): 164853062

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 160049, 320098, 1760539, 3521078, 11363479, 22726958, 124998269, 249996538]

約数ペア:

[(1, 249996538), (2, 124998269), (11, 22726958), (22, 11363479), (71, 3521078), (142, 1760539), (781, 320098), (1562, 160049)]