289881442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{54881}}^1$

素因数の和:55041

約数の個数: 16

約数和(自身を含む): 461008800

約数和(自身を除く): 171127358

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 54881, 109762, 1042739, 2085478, 7628459, 15256918, 144940721, 289881442]

約数ペア:

[(1, 289881442), (2, 144940721), (19, 15256918), (38, 7628459), (139, 2085478), (278, 1042739), (2641, 109762), (5282, 54881)]