247891006

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{727}}^1\times {\mathrm{1409}}^1$

素因数の和:2160

約数の個数: 24

約数和(自身を含む): 409565520

約数和(自身を除く): 161674514

約数列:

[1, 2, 11, 22, 121, 242, 727, 1409, 1454, 2818, 7997, 15499, 15994, 30998, 87967, 170489, 175934, 340978, 1024343, 2048686, 11267773, 22535546, 123945503, 247891006]

約数ペア:

[(1, 247891006), (2, 123945503), (11, 22535546), (22, 11267773), (121, 2048686), (242, 1024343), (727, 340978), (1409, 175934), (1454, 170489), (2818, 87967), (7997, 30998), (15499, 15994)]