31200702

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{400009}}^1$

素因数の和:400027

約数の個数: 16

約数和(自身を含む): 67201680

約数和(自身を除く): 36000978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 400009, 800018, 1200027, 2400054, 5200117, 10400234, 15600351, 31200702]

約数ペア:

[(1, 31200702), (2, 15600351), (3, 10400234), (6, 5200117), (13, 2400054), (26, 1200027), (39, 800018), (78, 400009)]