290824112

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{81509}}^1$

素因数の和:81740

約数の個数: 20

約数和(自身を含む): 566005440

約数和(自身を除く): 275181328

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 81509, 163018, 326036, 652072, 1304144, 18176507, 36353014, 72706028, 145412056, 290824112]

約数ペア:

[(1, 290824112), (2, 145412056), (4, 72706028), (8, 36353014), (16, 18176507), (223, 1304144), (446, 652072), (892, 326036), (1784, 163018), (3568, 81509)]