219037724

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{189479}}^1$

素因数の和:189517

約数の個数: 18

約数和(自身を含む): 407192520

約数和(自身を除く): 188154796

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 189479, 378958, 757916, 3221143, 6442286, 12884572, 54759431, 109518862, 219037724]

約数ペア:

[(1, 219037724), (2, 109518862), (4, 54759431), (17, 12884572), (34, 6442286), (68, 3221143), (289, 757916), (578, 378958), (1156, 189479)]