256217844

素因数分解:

$2^2\times 3^1\times {\mathrm{173}}^1\times {\mathrm{123419}}^1$

素因数の和:123599

約数の個数: 24

約数和(自身を含む): 601302240

約数和(自身を除く): 345084396

約数列:

[1, 2, 3, 4, 6, 12, 173, 346, 519, 692, 1038, 2076, 123419, 246838, 370257, 493676, 740514, 1481028, 21351487, 42702974, 64054461, 85405948, 128108922, 256217844]

約数ペア:

[(1, 256217844), (2, 128108922), (3, 85405948), (4, 64054461), (6, 42702974), (12, 21351487), (173, 1481028), (346, 740514), (519, 493676), (692, 370257), (1038, 246838), (2076, 123419)]