43121584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{499}}^1$

素因数の和:1009

約数の個数: 40

約数和(自身を含む): 91512000

約数和(自身を除く): 48390416

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 491, 499, 982, 998, 1964, 1996, 3928, 3992, 5401, 5489, 7856, 7984, 10802, 10978, 21604, 21956, 43208, 43912, 86416, 87824, 245009, 490018, 980036, 1960072, 2695099, 3920144, 5390198, 10780396, 21560792, 43121584]

約数ペア:

[(1, 43121584), (2, 21560792), (4, 10780396), (8, 5390198), (11, 3920144), (16, 2695099), (22, 1960072), (44, 980036), (88, 490018), (176, 245009), (491, 87824), (499, 86416), (982, 43912), (998, 43208), (1964, 21956), (1996, 21604), (3928, 10978), (3992, 10802), (5401, 7984), (5489, 7856)]