256449722

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{9199}}^1$

素因数の和:9517

約数の個数: 16

約数和(自身を含む): 393465600

約数和(自身を除く): 137015878

約数列:

[1, 2, 53, 106, 263, 526, 9199, 13939, 18398, 27878, 487547, 975094, 2419337, 4838674, 128224861, 256449722]

約数ペア:

[(1, 256449722), (2, 128224861), (53, 4838674), (106, 2419337), (263, 975094), (526, 487547), (9199, 27878), (13939, 18398)]