8381261

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 10886400

約数和(自身を除く): 2505139

約数列:

[1, 7, 19, 29, 41, 53, 133, 203, 287, 371, 551, 779, 1007, 1189, 1537, 2173, 3857, 5453, 7049, 8323, 10759, 15211, 22591, 29203, 41287, 63017, 158137, 204421, 289009, 441119, 1197323, 8381261]

約数ペア:

[(1, 8381261), (7, 1197323), (19, 441119), (29, 289009), (41, 204421), (53, 158137), (133, 63017), (203, 41287), (287, 29203), (371, 22591), (551, 15211), (779, 10759), (1007, 8323), (1189, 7049), (1537, 5453), (2173, 3857)]