1352173225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{320041}}^1$

素因数の和:320077

約数の個数: 18

約数和(自身を含む): 1815598266

約数和(自身を除く): 463425041

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 320041, 1600205, 4160533, 8001025, 20802665, 54086929, 104013325, 270434645, 1352173225]

約数ペア:

[(1, 1352173225), (5, 270434645), (13, 104013325), (25, 54086929), (65, 20802665), (169, 8001025), (325, 4160533), (845, 1600205), (4225, 320041)]