642116156912

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{1021463}}^1$

素因数の和:1021961

約数の個数: 40

約数和(自身を含む): 1259648975520

約数和(自身を除く): 617532818608

約数列:

[1, 2, 4, 8, 16, 101, 202, 389, 404, 778, 808, 1556, 1616, 3112, 6224, 39289, 78578, 157156, 314312, 628624, 1021463, 2042926, 4085852, 8171704, 16343408, 103167763, 206335526, 397349107, 412671052, 794698214, 825342104, 1589396428, 1650684208, 3178792856, 6357585712, 40132259807, 80264519614, 160529039228, 321058078456, 642116156912]

約数ペア:

[(1, 642116156912), (2, 321058078456), (4, 160529039228), (8, 80264519614), (16, 40132259807), (101, 6357585712), (202, 3178792856), (389, 1650684208), (404, 1589396428), (778, 825342104), (808, 794698214), (1556, 412671052), (1616, 397349107), (3112, 206335526), (6224, 103167763), (39289, 16343408), (78578, 8171704), (157156, 4085852), (314312, 2042926), (628624, 1021463)]