72128138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{8663}}^1$

素因数の和:8869

約数の個数: 16

約数和(自身を含む): 113533056

約数和(自身を除く): 41404918

約数列:

[1, 2, 23, 46, 181, 362, 4163, 8326, 8663, 17326, 199249, 398498, 1568003, 3136006, 36064069, 72128138]

約数ペア:

[(1, 72128138), (2, 36064069), (23, 3136006), (46, 1568003), (181, 398498), (362, 199249), (4163, 17326), (8326, 8663)]