83638864

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{12781}}^1$

素因数の和:13198

約数の個数: 20

約数和(自身を含む): 162459220

約数和(自身を除く): 78820356

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 12781, 25562, 51124, 102248, 204496, 5227429, 10454858, 20909716, 41819432, 83638864]

約数ペア:

[(1, 83638864), (2, 41819432), (4, 20909716), (8, 10454858), (16, 5227429), (409, 204496), (818, 102248), (1636, 51124), (3272, 25562), (6544, 12781)]