209820481

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{10501}}^1$

素因数の和:10596

約数の個数: 16

約数和(自身を含む): 238185360

約数和(自身を除く): 28364879

約数列:

[1, 13, 29, 53, 377, 689, 1537, 10501, 19981, 136513, 304529, 556553, 3958877, 7235189, 16140037, 209820481]

約数ペア:

[(1, 209820481), (13, 16140037), (29, 7235189), (53, 3958877), (377, 556553), (689, 304529), (1537, 136513), (10501, 19981)]