647046146

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{15767}}^1$

素因数の和:15874

約数の個数: 24

約数和(自身を含む): 1045607616

約数和(自身を除く): 398561470

約数列:

[1, 2, 17, 34, 71, 142, 289, 578, 1207, 2414, 15767, 20519, 31534, 41038, 268039, 536078, 1119457, 2238914, 4556663, 9113326, 19030769, 38061538, 323523073, 647046146]

約数ペア:

[(1, 647046146), (2, 323523073), (17, 38061538), (34, 19030769), (71, 9113326), (142, 4556663), (289, 2238914), (578, 1119457), (1207, 536078), (2414, 268039), (15767, 41038), (20519, 31534)]