28236245

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 6237355

約数列:

[1, 5, 149, 151, 251, 745, 755, 1255, 22499, 37399, 37901, 112495, 186995, 189505, 5647249, 28236245]

約数ペア:

[(1, 28236245), (5, 5647249), (149, 189505), (151, 186995), (251, 112495), (745, 37901), (755, 37399), (1255, 22499)]