408078490838

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{4517}}^1\times {\mathrm{636217}}^1$

素因数の和:640807

約数の個数: 16

約数和(自身を含む): 620877511584

約数和(自身を除く): 212799020746

約数列:

[1, 2, 71, 142, 4517, 9034, 320707, 636217, 641414, 1272434, 45171407, 90342814, 2873792189, 5747584378, 204039245419, 408078490838]

約数ペア:

[(1, 408078490838), (2, 204039245419), (71, 5747584378), (142, 2873792189), (4517, 90342814), (9034, 45171407), (320707, 1272434), (636217, 641414)]