66145814

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{21187}}^1$

素因数の和:21419

約数の個数: 16

約数和(自身を含む): 113906688

約数和(自身を除く): 47760874

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 21187, 42374, 148309, 296618, 4724701, 9449402, 33072907, 66145814]

約数ペア:

[(1, 66145814), (2, 33072907), (7, 9449402), (14, 4724701), (223, 296618), (446, 148309), (1561, 42374), (3122, 21187)]