78866948

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{54617}}^1$

素因数の和:54659

約数の個数: 18

約数和(自身を含む): 145666206

約数和(自身を除く): 66799258

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 54617, 109234, 218468, 1037723, 2075446, 4150892, 19716737, 39433474, 78866948]

約数ペア:

[(1, 78866948), (2, 39433474), (4, 19716737), (19, 4150892), (38, 2075446), (76, 1037723), (361, 218468), (722, 109234), (1444, 54617)]