2638391

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 3205440

約数和(自身を除く): 567049

約数列:

[1, 7, 29, 41, 203, 287, 317, 1189, 2219, 8323, 9193, 12997, 64351, 90979, 376913, 2638391]

約数ペア:

[(1, 2638391), (7, 376913), (29, 90979), (41, 64351), (203, 12997), (287, 9193), (317, 8323), (1189, 2219)]