404716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 784784

約数和(自身を除く): 380068

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 181, 362, 559, 724, 1118, 2236, 2353, 4706, 7783, 9412, 15566, 31132, 101179, 202358, 404716]

約数ペア:

[(1, 404716), (2, 202358), (4, 101179), (13, 31132), (26, 15566), (43, 9412), (52, 7783), (86, 4706), (172, 2353), (181, 2236), (362, 1118), (559, 724)]