2191343

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 16

約数和(自身を含む): 2764800

約数和(自身を除く): 573457

約数列:

[1, 7, 11, 77, 149, 191, 1043, 1337, 1639, 2101, 11473, 14707, 28459, 199213, 313049, 2191343]

約数ペア:

[(1, 2191343), (7, 313049), (11, 199213), (77, 28459), (149, 14707), (191, 11473), (1043, 2101), (1337, 1639)]