407008638

素因数分解:

$2^1\times 3^4\times {\mathrm{2512399}}^1$

素因数の和:2512413

約数の個数: 20

約数和(自身を含む): 912001200

約数和(自身を除く): 504992562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 2512399, 5024798, 7537197, 15074394, 22611591, 45223182, 67834773, 135669546, 203504319, 407008638]

約数ペア:

[(1, 407008638), (2, 203504319), (3, 135669546), (6, 67834773), (9, 45223182), (18, 22611591), (27, 15074394), (54, 7537197), (81, 5024798), (162, 2512399)]