221036752

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{206191}}^1$

素因数の和:206266

約数の個数: 20

約数和(自身を含む): 434652736

約数和(自身を除く): 213615984

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 206191, 412382, 824764, 1649528, 3299056, 13814797, 27629594, 55259188, 110518376, 221036752]

約数ペア:

[(1, 221036752), (2, 110518376), (4, 55259188), (8, 27629594), (16, 13814797), (67, 3299056), (134, 1649528), (268, 824764), (536, 412382), (1072, 206191)]