685875806

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{143669}}^1$

素因数の和:143720

約数の個数: 32

約数和(自身を含む): 1324062720

約数和(自身を除く): 638186914

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 143669, 287338, 1005683, 1580359, 2011366, 3160718, 4453739, 8907478, 11062513, 22125026, 31176173, 48991129, 62352346, 97982258, 342937903, 685875806]

約数ペア:

[(1, 685875806), (2, 342937903), (7, 97982258), (11, 62352346), (14, 48991129), (22, 31176173), (31, 22125026), (62, 11062513), (77, 8907478), (154, 4453739), (217, 3160718), (341, 2011366), (434, 1580359), (682, 1005683), (2387, 287338), (4774, 143669)]