81574942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 137285280

約数和(自身を除く): 55710338

約数列:

[1, 2, 17, 19, 34, 38, 197, 323, 394, 641, 646, 1282, 3349, 3743, 6698, 7486, 10897, 12179, 21794, 24358, 63631, 126277, 127262, 207043, 252554, 414086, 2146709, 2399263, 4293418, 4798526, 40787471, 81574942]

約数ペア:

[(1, 81574942), (2, 40787471), (17, 4798526), (19, 4293418), (34, 2399263), (38, 2146709), (197, 414086), (323, 252554), (394, 207043), (641, 127262), (646, 126277), (1282, 63631), (3349, 24358), (3743, 21794), (6698, 12179), (7486, 10897)]