66691919

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{227}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 82335360

約数和(自身を除く): 15643441

約数列:

[1, 7, 19, 47, 133, 227, 329, 893, 1589, 2209, 4313, 6251, 10669, 15463, 30191, 41971, 74683, 202711, 293797, 501443, 1418977, 3510101, 9527417, 66691919]

約数ペア:

[(1, 66691919), (7, 9527417), (19, 3510101), (47, 1418977), (133, 501443), (227, 293797), (329, 202711), (893, 74683), (1589, 41971), (2209, 30191), (4313, 15463), (6251, 10669)]