2491358

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:427

約数の個数: 16

約数和(自身を含む): 3882384

約数和(自身を除く): 1391026

約数列:

[1, 2, 37, 74, 131, 257, 262, 514, 4847, 9509, 9694, 19018, 33667, 67334, 1245679, 2491358]

約数ペア:

[(1, 2491358), (2, 1245679), (37, 67334), (74, 33667), (131, 19018), (257, 9694), (262, 9509), (514, 4847)]