638838142

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{33563}}^1$

素因数の和:33903

約数の個数: 16

約数和(自身を含む): 992420352

約数和(自身を除く): 353582210

約数列:

[1, 2, 31, 62, 307, 614, 9517, 19034, 33563, 67126, 1040453, 2080906, 10303841, 20607682, 319419071, 638838142]

約数ペア:

[(1, 638838142), (2, 319419071), (31, 20607682), (62, 10303841), (307, 2080906), (614, 1040453), (9517, 67126), (19034, 33563)]