66984428

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{77171}}^1$

素因数の和:77213

約数の個数: 24

約数和(自身を含む): 138292224

約数和(自身を除く): 71307796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 77171, 154342, 308684, 540197, 1080394, 2160788, 2392301, 4784602, 9569204, 16746107, 33492214, 66984428]

約数ペア:

[(1, 66984428), (2, 33492214), (4, 16746107), (7, 9569204), (14, 4784602), (28, 2392301), (31, 2160788), (62, 1080394), (124, 540197), (217, 308684), (434, 154342), (868, 77171)]