199173667

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 258306048

約数和(自身を除く): 59132381

約数列:

[1, 7, 11, 31, 77, 181, 217, 341, 461, 1267, 1991, 2387, 3227, 5071, 5611, 13937, 14291, 35497, 39277, 61721, 83441, 100037, 157201, 432047, 584087, 917851, 1100407, 2586671, 6424957, 18106697, 28453381, 199173667]

約数ペア:

[(1, 199173667), (7, 28453381), (11, 18106697), (31, 6424957), (77, 2586671), (181, 1100407), (217, 917851), (341, 584087), (461, 432047), (1267, 157201), (1991, 100037), (2387, 83441), (3227, 61721), (5071, 39277), (5611, 35497), (13937, 14291)]