1640390968

素因数分解:

$2^3\times {\mathrm{449}}^1\times {\mathrm{456679}}^1$

素因数の和:457134

約数の個数: 16

約数和(自身を含む): 3082590000

約数和(自身を除く): 1442199032

約数列:

[1, 2, 4, 8, 449, 898, 1796, 3592, 456679, 913358, 1826716, 3653432, 205048871, 410097742, 820195484, 1640390968]

約数ペア:

[(1, 1640390968), (2, 820195484), (4, 410097742), (8, 205048871), (449, 3653432), (898, 1826716), (1796, 913358), (3592, 456679)]