660436

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 1339520

約数和(自身を除く): 679084

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 229, 412, 458, 721, 916, 1442, 1603, 2884, 3206, 6412, 23587, 47174, 94348, 165109, 330218, 660436]

約数ペア:

[(1, 660436), (2, 330218), (4, 165109), (7, 94348), (14, 47174), (28, 23587), (103, 6412), (206, 3206), (229, 2884), (412, 1603), (458, 1442), (721, 916)]