131051570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1049}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 262747800

約数和(自身を除く): 131696230

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1049, 1922, 2015, 2098, 4030, 4805, 5245, 9610, 10490, 12493, 13637, 24986, 27274, 32519, 62465, 65038, 68185, 124930, 136370, 162595, 325190, 422747, 845494, 1008089, 2016178, 2113735, 4227470, 5040445, 10080890, 13105157, 26210314, 65525785, 131051570]

約数ペア:

[(1, 131051570), (2, 65525785), (5, 26210314), (10, 13105157), (13, 10080890), (26, 5040445), (31, 4227470), (62, 2113735), (65, 2016178), (130, 1008089), (155, 845494), (310, 422747), (403, 325190), (806, 162595), (961, 136370), (1049, 124930), (1922, 68185), (2015, 65038), (2098, 62465), (4030, 32519), (4805, 27274), (5245, 24986), (9610, 13637), (10490, 12493)]