28771721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 32175360

約数和(自身を除く): 3403639

約数列:

[1, 11, 79, 113, 293, 869, 1243, 3223, 8927, 23147, 33109, 98197, 254617, 364199, 2615611, 28771721]

約数ペア:

[(1, 28771721), (11, 2615611), (79, 364199), (113, 254617), (293, 98197), (869, 33109), (1243, 23147), (3223, 8927)]