40398664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{297049}}^1$

素因数の和:297072

約数の個数: 16

約数和(自身を含む): 80203500

約数和(自身を除く): 39804836

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 297049, 594098, 1188196, 2376392, 5049833, 10099666, 20199332, 40398664]

約数ペア:

[(1, 40398664), (2, 20199332), (4, 10099666), (8, 5049833), (17, 2376392), (34, 1188196), (68, 594098), (136, 297049)]