66561278

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1489}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 119009280

約数和(自身を除く): 52448002

約数列:

[1, 2, 7, 14, 31, 62, 103, 206, 217, 434, 721, 1442, 1489, 2978, 3193, 6386, 10423, 20846, 22351, 44702, 46159, 92318, 153367, 306734, 323113, 646226, 1073569, 2147138, 4754377, 9508754, 33280639, 66561278]

約数ペア:

[(1, 66561278), (2, 33280639), (7, 9508754), (14, 4754377), (31, 2147138), (62, 1073569), (103, 646226), (206, 323113), (217, 306734), (434, 153367), (721, 92318), (1442, 46159), (1489, 44702), (2978, 22351), (3193, 20846), (6386, 10423)]