221522192

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{261229}}^1$

素因数の和:261290

約数の個数: 20

約数和(自身を含む): 437299020

約数和(自身を除く): 215776828

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 261229, 522458, 1044916, 2089832, 4179664, 13845137, 27690274, 55380548, 110761096, 221522192]

約数ペア:

[(1, 221522192), (2, 110761096), (4, 55380548), (8, 27690274), (16, 13845137), (53, 4179664), (106, 2089832), (212, 1044916), (424, 522458), (848, 261229)]