221076428

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{1348027}}^1$

素因数の和:1348072

約数の個数: 12

約数和(自身を含む): 396320232

約数和(自身を除く): 175243804

約数列:

[1, 2, 4, 41, 82, 164, 1348027, 2696054, 5392108, 55269107, 110538214, 221076428]

約数ペア:

[(1, 221076428), (2, 110538214), (4, 55269107), (41, 5392108), (82, 2696054), (164, 1348027)]