2558647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 3254272

約数和(自身を除く): 695625

約数列:

[1, 7, 13, 31, 91, 217, 403, 907, 2821, 6349, 11791, 28117, 82537, 196819, 365521, 2558647]

約数ペア:

[(1, 2558647), (7, 365521), (13, 196819), (31, 82537), (91, 28117), (217, 11791), (403, 6349), (907, 2821)]