2599680005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{655657}}^1$

素因数の和:655736

約数の個数: 16

約数和(自身を含む): 3414666864

約数和(自身を除く): 814986859

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 655657, 3278285, 8523541, 39995077, 42617705, 199975385, 519936001, 2599680005]

約数ペア:

[(1, 2599680005), (5, 519936001), (13, 199975385), (61, 42617705), (65, 39995077), (305, 8523541), (793, 3278285), (3965, 655657)]