489339994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{25537}}^1$

素因数の和:25630

約数の個数: 32

約数和(自身を含む): 875238336

約数和(自身を除く): 385898342

約数列:

[1, 2, 11, 13, 22, 26, 67, 134, 143, 286, 737, 871, 1474, 1742, 9581, 19162, 25537, 51074, 280907, 331981, 561814, 663962, 1710979, 3421958, 3651791, 7303582, 18820769, 22242727, 37641538, 44485454, 244669997, 489339994]

約数ペア:

[(1, 489339994), (2, 244669997), (11, 44485454), (13, 37641538), (22, 22242727), (26, 18820769), (67, 7303582), (134, 3651791), (143, 3421958), (286, 1710979), (737, 663962), (871, 561814), (1474, 331981), (1742, 280907), (9581, 51074), (19162, 25537)]