256568404

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{13217}}^1$

素因数の和:13455

約数の個数: 24

約数和(自身を含む): 470772288

約数和(自身を除く): 214203884

約数列:

[1, 2, 4, 23, 46, 92, 211, 422, 844, 4853, 9706, 13217, 19412, 26434, 52868, 303991, 607982, 1215964, 2788787, 5577574, 11155148, 64142101, 128284202, 256568404]

約数ペア:

[(1, 256568404), (2, 128284202), (4, 64142101), (23, 11155148), (46, 5577574), (92, 2788787), (211, 1215964), (422, 607982), (844, 303991), (4853, 52868), (9706, 26434), (13217, 19412)]