12970979

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 15493056

約数和(自身を除く): 2522077

約数列:

[1, 7, 37, 61, 259, 427, 821, 2257, 5747, 15799, 30377, 50081, 212639, 350567, 1852997, 12970979]

約数ペア:

[(1, 12970979), (7, 1852997), (37, 350567), (61, 212639), (259, 50081), (427, 30377), (821, 15799), (2257, 5747)]