201871655

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{991}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 245127168

約数和(自身を除く): 43255513

約数列:

[1, 5, 131, 311, 655, 991, 1555, 4955, 40741, 129821, 203705, 308201, 649105, 1541005, 40374331, 201871655]

約数ペア:

[(1, 201871655), (5, 40374331), (131, 1541005), (311, 649105), (655, 308201), (991, 203705), (1555, 129821), (4955, 40741)]