39749905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19727}}^1$

素因数の和:19776

約数の個数: 16

約数和(自身を含む): 53028864

約数和(自身を除く): 13278959

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 19727, 98635, 256451, 611537, 1282255, 3057685, 7949981, 39749905]

約数ペア:

[(1, 39749905), (5, 7949981), (13, 3057685), (31, 1282255), (65, 611537), (155, 256451), (403, 98635), (2015, 19727)]