13378666

素因数分解:

$2^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:874

約数の個数: 24

約数和(自身を含む): 23491296

約数和(自身を除く): 10112630

約数列:

[1, 2, 7, 14, 49, 98, 211, 422, 647, 1294, 1477, 2954, 4529, 9058, 10339, 20678, 31703, 63406, 136517, 273034, 955619, 1911238, 6689333, 13378666]

約数ペア:

[(1, 13378666), (2, 6689333), (7, 1911238), (14, 955619), (49, 273034), (98, 136517), (211, 63406), (422, 31703), (647, 20678), (1294, 10339), (1477, 9058), (2954, 4529)]