221420108

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{608297}}^1$

素因数の和:608321

約数の個数: 24

約数和(自身を含む): 476905632

約数和(自身を除く): 255485524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 608297, 1216594, 2433188, 4258079, 7907861, 8516158, 15815722, 17032316, 31631444, 55355027, 110710054, 221420108]

約数ペア:

[(1, 221420108), (2, 110710054), (4, 55355027), (7, 31631444), (13, 17032316), (14, 15815722), (26, 8516158), (28, 7907861), (52, 4258079), (91, 2433188), (182, 1216594), (364, 608297)]