1897217

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 2332800

約数和(自身を除く): 435583

約数列:

[1, 7, 17, 107, 119, 149, 749, 1043, 1819, 2533, 12733, 15943, 17731, 111601, 271031, 1897217]

約数ペア:

[(1, 1897217), (7, 271031), (17, 111601), (107, 17731), (119, 15943), (149, 12733), (749, 2533), (1043, 1819)]