66491404

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{76603}}^1$

素因数の和:76645

約数の個数: 24

約数和(自身を含む): 137274368

約数和(自身を除く): 70782964

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 76603, 153206, 306412, 536221, 1072442, 2144884, 2374693, 4749386, 9498772, 16622851, 33245702, 66491404]

約数ペア:

[(1, 66491404), (2, 33245702), (4, 16622851), (7, 9498772), (14, 4749386), (28, 2374693), (31, 2144884), (62, 1072442), (124, 536221), (217, 306412), (434, 153206), (868, 76603)]