291239495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{72901}}^1$

素因数の和:72970

約数の個数: 16

約数和(自身を含む): 377923968

約数和(自身を除く): 86684473

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 72901, 364505, 1239317, 3426347, 6196585, 17131735, 58247899, 291239495]

約数ペア:

[(1, 291239495), (5, 58247899), (17, 17131735), (47, 6196585), (85, 3426347), (235, 1239317), (799, 364505), (3995, 72901)]