9869470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 20018880

約数和(自身を除く): 10149410

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 79, 130, 155, 158, 310, 395, 403, 790, 806, 961, 1027, 1922, 2015, 2054, 2449, 4030, 4805, 4898, 5135, 9610, 10270, 12245, 12493, 24490, 24986, 31837, 62465, 63674, 75919, 124930, 151838, 159185, 318370, 379595, 759190, 986947, 1973894, 4934735, 9869470]

約数ペア:

[(1, 9869470), (2, 4934735), (5, 1973894), (10, 986947), (13, 759190), (26, 379595), (31, 318370), (62, 159185), (65, 151838), (79, 124930), (130, 75919), (155, 63674), (158, 62465), (310, 31837), (395, 24986), (403, 24490), (790, 12493), (806, 12245), (961, 10270), (1027, 9610), (1922, 5135), (2015, 4898), (2054, 4805), (2449, 4030)]