66467716

素因数分解:

$2^2\times 7^2\times {\mathrm{339121}}^1$

素因数の和:339139

約数の個数: 18

約数和(自身を含む): 135309678

約数和(自身を除く): 68841962

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 339121, 678242, 1356484, 2373847, 4747694, 9495388, 16616929, 33233858, 66467716]

約数ペア:

[(1, 66467716), (2, 33233858), (4, 16616929), (7, 9495388), (14, 4747694), (28, 2373847), (49, 1356484), (98, 678242), (196, 339121)]