212319079

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{1571}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 249004800

約数和(自身を除く): 36685721

約数列:

[1, 7, 43, 301, 449, 1571, 3143, 10997, 19307, 67553, 135149, 472871, 705379, 4937653, 30331297, 212319079]

約数ペア:

[(1, 212319079), (7, 30331297), (43, 4937653), (301, 705379), (449, 472871), (1571, 135149), (3143, 67553), (10997, 19307)]