247236470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1979}}^1$

素因数の和:2061

約数の個数: 48

約数和(自身を含む): 495467280

約数和(自身を除く): 248230810

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1922, 1979, 2015, 3958, 4030, 4805, 9610, 9895, 12493, 19790, 24986, 25727, 51454, 61349, 62465, 122698, 124930, 128635, 257270, 306745, 613490, 797537, 1595074, 1901819, 3803638, 3987685, 7975370, 9509095, 19018190, 24723647, 49447294, 123618235, 247236470]

約数ペア:

[(1, 247236470), (2, 123618235), (5, 49447294), (10, 24723647), (13, 19018190), (26, 9509095), (31, 7975370), (62, 3987685), (65, 3803638), (130, 1901819), (155, 1595074), (310, 797537), (403, 613490), (806, 306745), (961, 257270), (1922, 128635), (1979, 124930), (2015, 122698), (3958, 62465), (4030, 61349), (4805, 51454), (9610, 25727), (9895, 24986), (12493, 19790)]