397490015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{7559}}^1$

素因数の和:8386

約数の個数: 16

約数和(自身を含む): 514382400

約数和(自身を除く): 116892385

約数列:

[1, 5, 13, 65, 809, 4045, 7559, 10517, 37795, 52585, 98267, 491335, 6115231, 30576155, 79498003, 397490015]

約数ペア:

[(1, 397490015), (5, 79498003), (13, 30576155), (65, 6115231), (809, 491335), (4045, 98267), (7559, 52585), (10517, 37795)]