561350864

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{85781}}^1$

素因数の和:86198

約数の個数: 20

約数和(自身を含む): 1090289220

約数和(自身を除く): 528938356

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 85781, 171562, 343124, 686248, 1372496, 35084429, 70168858, 140337716, 280675432, 561350864]

約数ペア:

[(1, 561350864), (2, 280675432), (4, 140337716), (8, 70168858), (16, 35084429), (409, 1372496), (818, 686248), (1636, 343124), (3272, 171562), (6544, 85781)]