139080976

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{142501}}^1$

素因数の和:142570

約数の個数: 20

約数和(自身を含む): 273888844

約数和(自身を除く): 134807868

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 142501, 285002, 570004, 1140008, 2280016, 8692561, 17385122, 34770244, 69540488, 139080976]

約数ペア:

[(1, 139080976), (2, 69540488), (4, 34770244), (8, 17385122), (16, 8692561), (61, 2280016), (122, 1140008), (244, 570004), (488, 285002), (976, 142501)]