1640986444

素因数分解:

$2^2\times {\mathrm{659}}^1\times {\mathrm{622529}}^1$

素因数の和:623192

約数の個数: 12

約数和(自身を含む): 2876088600

約数和(自身を除く): 1235102156

約数列:

[1, 2, 4, 659, 1318, 2636, 622529, 1245058, 2490116, 410246611, 820493222, 1640986444]

約数ペア:

[(1, 1640986444), (2, 820493222), (4, 410246611), (659, 2490116), (1318, 1245058), (2636, 622529)]