217439170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1672609}}^1$

素因数の和:1672629

約数の個数: 16

約数和(自身を含む): 421497720

約数和(自身を除く): 204058550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1672609, 3345218, 8363045, 16726090, 21743917, 43487834, 108719585, 217439170]

約数ペア:

[(1, 217439170), (2, 108719585), (5, 43487834), (10, 21743917), (13, 16726090), (26, 8363045), (65, 3345218), (130, 1672609)]