28891910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{125617}}^1$

素因数の和:125647

約数の個数: 16

約数和(自身を含む): 54266976

約数和(自身を除く): 25375066

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 125617, 251234, 628085, 1256170, 2889191, 5778382, 14445955, 28891910]

約数ペア:

[(1, 28891910), (2, 14445955), (5, 5778382), (10, 2889191), (23, 1256170), (46, 628085), (115, 251234), (230, 125617)]