256519894

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{27191}}^1$

素因数の和:27335

約数の個数: 16

約数和(自身を含む): 396459360

約数和(自身を除く): 139939466

約数列:

[1, 2, 53, 89, 106, 178, 4717, 9434, 27191, 54382, 1441123, 2419999, 2882246, 4839998, 128259947, 256519894]

約数ペア:

[(1, 256519894), (2, 128259947), (53, 4839998), (89, 2882246), (106, 2419999), (178, 1441123), (4717, 54382), (9434, 27191)]