1890959

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 16

約数和(自身を含む): 2280000

約数和(自身を除く): 389041

約数列:

[1, 7, 37, 49, 149, 259, 343, 1043, 1813, 5513, 7301, 12691, 38591, 51107, 270137, 1890959]

約数ペア:

[(1, 1890959), (7, 270137), (37, 51107), (49, 38591), (149, 12691), (259, 7301), (343, 5513), (1043, 1813)]