81558958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 135235296

約数和(自身を除く): 53676338

約数列:

[1, 2, 13, 26, 73, 97, 146, 194, 443, 886, 949, 1261, 1898, 2522, 5759, 7081, 11518, 14162, 32339, 42971, 64678, 85942, 92053, 184106, 420407, 558623, 840814, 1117246, 3136883, 6273766, 40779479, 81558958]

約数ペア:

[(1, 81558958), (2, 40779479), (13, 6273766), (26, 3136883), (73, 1117246), (97, 840814), (146, 558623), (194, 420407), (443, 184106), (886, 92053), (949, 85942), (1261, 64678), (1898, 42971), (2522, 32339), (5759, 14162), (7081, 11518)]