178420913

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 208195008

約数和(自身を除く): 29774095

約数列:

[1, 11, 23, 61, 121, 253, 671, 1051, 1403, 2783, 7381, 11561, 15433, 24173, 64111, 127171, 169763, 265903, 705221, 1474553, 2924933, 7757431, 16220083, 178420913]

約数ペア:

[(1, 178420913), (11, 16220083), (23, 7757431), (61, 2924933), (121, 1474553), (253, 705221), (671, 265903), (1051, 169763), (1403, 127171), (2783, 64111), (7381, 24173), (11561, 15433)]