28991755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1777}}^1$

素因数の和:2046

約数の個数: 16

約数和(自身を含む): 37636704

約数和(自身を除く): 8644949

約数列:

[1, 5, 13, 65, 251, 1255, 1777, 3263, 8885, 16315, 23101, 115505, 446027, 2230135, 5798351, 28991755]

約数ペア:

[(1, 28991755), (5, 5798351), (13, 2230135), (65, 446027), (251, 115505), (1255, 23101), (1777, 16315), (3263, 8885)]