42138265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{5737}}^1$

素因数の和:5868

約数の個数: 16

約数和(自身を含む): 54947088

約数和(自身を除く): 12808823

約数列:

[1, 5, 13, 65, 113, 565, 1469, 5737, 7345, 28685, 74581, 372905, 648281, 3241405, 8427653, 42138265]

約数ペア:

[(1, 42138265), (5, 8427653), (13, 3241405), (65, 648281), (113, 372905), (565, 74581), (1469, 28685), (5737, 7345)]