989584

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:622

約数の個数: 20

約数和(自身を含む): 1936384

約数和(自身を除く): 946800

約数列:

[1, 2, 4, 8, 16, 127, 254, 487, 508, 974, 1016, 1948, 2032, 3896, 7792, 61849, 123698, 247396, 494792, 989584]

約数ペア:

[(1, 989584), (2, 494792), (4, 247396), (8, 123698), (16, 61849), (127, 7792), (254, 3896), (487, 2032), (508, 1948), (974, 1016)]