66418709

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2027}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 78913536

約数和(自身を除く): 12494827

約数列:

[1, 7, 31, 151, 217, 1057, 2027, 4681, 14189, 32767, 62837, 306077, 439859, 2142539, 9488387, 66418709]

約数ペア:

[(1, 66418709), (7, 9488387), (31, 2142539), (151, 439859), (217, 306077), (1057, 62837), (2027, 32767), (4681, 14189)]