128205836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{41039}}^1$

素因数の和:41125

約数の個数: 24

約数和(自身を含む): 248209920

約数和(自身を除く): 120004084

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 41039, 82078, 164156, 451429, 902858, 1805716, 2913769, 5827538, 11655076, 32051459, 64102918, 128205836]

約数ペア:

[(1, 128205836), (2, 64102918), (4, 32051459), (11, 11655076), (22, 5827538), (44, 2913769), (71, 1805716), (142, 902858), (284, 451429), (781, 164156), (1562, 82078), (3124, 41039)]