90790352

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{40823}}^1$

素因数の和:40970

約数の個数: 20

約数和(自身を含む): 177176160

約数和(自身を除く): 86385808

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 40823, 81646, 163292, 326584, 653168, 5674397, 11348794, 22697588, 45395176, 90790352]

約数ペア:

[(1, 90790352), (2, 45395176), (4, 22697588), (8, 11348794), (16, 5674397), (139, 653168), (278, 326584), (556, 163292), (1112, 81646), (2224, 40823)]