90749072

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{138337}}^1$

素因数の和:138386

約数の個数: 20

約数和(自身を含む): 180116076

約数和(自身を除く): 89367004

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 138337, 276674, 553348, 1106696, 2213392, 5671817, 11343634, 22687268, 45374536, 90749072]

約数ペア:

[(1, 90749072), (2, 45374536), (4, 22687268), (8, 11343634), (16, 5671817), (41, 2213392), (82, 1106696), (164, 553348), (328, 276674), (656, 138337)]