278319854

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{5981}}^1$

素因数の和:6475

約数の個数: 16

約数和(自身を含む): 426396960

約数和(自身を除く): 148077106

約数列:

[1, 2, 53, 106, 439, 878, 5981, 11962, 23267, 46534, 316993, 633986, 2625659, 5251318, 139159927, 278319854]

約数ペア:

[(1, 278319854), (2, 139159927), (53, 5251318), (106, 2625659), (439, 633986), (878, 316993), (5981, 46534), (11962, 23267)]