221497198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107837}}^1$

素因数の和:107931

約数の個数: 16

約数和(自身を含む): 362335680

約数和(自身を除く): 140838482

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 107837, 215674, 1401881, 2803762, 8519123, 17038246, 110748599, 221497198]

約数ペア:

[(1, 221497198), (2, 110748599), (13, 17038246), (26, 8519123), (79, 2803762), (158, 1401881), (1027, 215674), (2054, 107837)]