208120835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{8231}}^1$

素因数の和:8638

約数の個数: 16

約数和(自身を含む): 269680320

約数和(自身を除く): 61559485

約数列:

[1, 5, 13, 65, 389, 1945, 5057, 8231, 25285, 41155, 107003, 535015, 3201859, 16009295, 41624167, 208120835]

約数ペア:

[(1, 208120835), (5, 41624167), (13, 16009295), (65, 3201859), (389, 535015), (1945, 107003), (5057, 41155), (8231, 25285)]