261061954945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{279210647}}^1$

素因数の和:279210680

約数の個数: 16

約数和(自身を含む): 361856999808

約数和(自身を除く): 100795044863

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 279210647, 1396053235, 3071317117, 4746580999, 15356585585, 23732904995, 52212390989, 261061954945]

約数ペア:

[(1, 261061954945), (5, 52212390989), (11, 23732904995), (17, 15356585585), (55, 4746580999), (85, 3071317117), (187, 1396053235), (935, 279210647)]