664388978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{16843}}^1$

素因数の和:17030

約数の個数: 24

約数和(自身を含む): 1102203984

約数和(自身を除く): 437815006

約数列:

[1, 2, 11, 22, 121, 163, 242, 326, 1793, 3586, 16843, 19723, 33686, 39446, 185273, 370546, 2038003, 2745409, 4076006, 5490818, 30199499, 60398998, 332194489, 664388978]

約数ペア:

[(1, 664388978), (2, 332194489), (11, 60398998), (22, 30199499), (121, 5490818), (163, 4076006), (242, 2745409), (326, 2038003), (1793, 370546), (3586, 185273), (16843, 39446), (19723, 33686)]