25488071

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 6860089

約数列:

[1, 7, 23, 29, 53, 103, 161, 203, 371, 667, 721, 1219, 1537, 2369, 2987, 4669, 5459, 8533, 10759, 16583, 20909, 35351, 38213, 68701, 125557, 158311, 247457, 480907, 878899, 1108177, 3641153, 25488071]

約数ペア:

[(1, 25488071), (7, 3641153), (23, 1108177), (29, 878899), (53, 480907), (103, 247457), (161, 158311), (203, 125557), (371, 68701), (667, 38213), (721, 35351), (1219, 20909), (1537, 16583), (2369, 10759), (2987, 8533), (4669, 5459)]