26388291

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 38338560

約数和(自身を除く): 11950269

約数列:

[1, 3, 23, 47, 69, 79, 103, 141, 237, 309, 1081, 1817, 2369, 3243, 3713, 4841, 5451, 7107, 8137, 11139, 14523, 24411, 85399, 111343, 187151, 256197, 334029, 382439, 561453, 1147317, 8796097, 26388291]

約数ペア:

[(1, 26388291), (3, 8796097), (23, 1147317), (47, 561453), (69, 382439), (79, 334029), (103, 256197), (141, 187151), (237, 111343), (309, 85399), (1081, 24411), (1817, 14523), (2369, 11139), (3243, 8137), (3713, 7107), (4841, 5451)]