2009505281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{6563}}^1$

素因数の和:6701

約数の個数: 32

約数和(自身を含む): 2540740608

約数和(自身を除く): 531235327

約数列:

[1, 7, 17, 31, 83, 119, 217, 527, 581, 1411, 2573, 3689, 6563, 9877, 18011, 43741, 45941, 111571, 203453, 306187, 544729, 780997, 1424171, 3458701, 3813103, 9260393, 16886599, 24210907, 64822751, 118206193, 287072183, 2009505281]

約数ペア:

[(1, 2009505281), (7, 287072183), (17, 118206193), (31, 64822751), (83, 24210907), (119, 16886599), (217, 9260393), (527, 3813103), (581, 3458701), (1411, 1424171), (2573, 780997), (3689, 544729), (6563, 306187), (9877, 203453), (18011, 111571), (43741, 45941)]