81381170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{626009}}^1$

素因数の和:626029

約数の個数: 16

約数和(自身を含む): 157754520

約数和(自身を除く): 76373350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 626009, 1252018, 3130045, 6260090, 8138117, 16276234, 40690585, 81381170]

約数ペア:

[(1, 81381170), (2, 40690585), (5, 16276234), (10, 8138117), (13, 6260090), (26, 3130045), (65, 1252018), (130, 626009)]