31721170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244009}}^1$

素因数の和:244029

約数の個数: 16

約数和(自身を含む): 61490520

約数和(自身を除く): 29769350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 244009, 488018, 1220045, 2440090, 3172117, 6344234, 15860585, 31721170]

約数ペア:

[(1, 31721170), (2, 15860585), (5, 6344234), (10, 3172117), (13, 2440090), (26, 1220045), (65, 488018), (130, 244009)]