71342929

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 19377071

約数列:

[1, 7, 19, 29, 53, 133, 203, 349, 371, 551, 1007, 1537, 2443, 3857, 6631, 7049, 10121, 10759, 18497, 29203, 46417, 70847, 129479, 192299, 204421, 351443, 536413, 1346093, 2460101, 3754891, 10191847, 71342929]

約数ペア:

[(1, 71342929), (7, 10191847), (19, 3754891), (29, 2460101), (53, 1346093), (133, 536413), (203, 351443), (349, 204421), (371, 192299), (551, 129479), (1007, 70847), (1537, 46417), (2443, 29203), (3857, 18497), (6631, 10759), (7049, 10121)]