84021470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20849}}^1$

素因数の和:20900

約数の個数: 32

約数和(自身を含む): 168134400

約数和(自身を除く): 84112930

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 20849, 41698, 104245, 208490, 271037, 542074, 646319, 1292638, 1355185, 2710370, 3231595, 6463190, 8402147, 16804294, 42010735, 84021470]

約数ペア:

[(1, 84021470), (2, 42010735), (5, 16804294), (10, 8402147), (13, 6463190), (26, 3231595), (31, 2710370), (62, 1355185), (65, 1292638), (130, 646319), (155, 542074), (310, 271037), (403, 208490), (806, 104245), (2015, 41698), (4030, 20849)]