51787706

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{1259}}^1$

素因数の和:1549

約数の個数: 16

約数和(自身を含む): 78835680

約数和(自身を除く): 27047974

約数列:

[1, 2, 131, 157, 262, 314, 1259, 2518, 20567, 41134, 164929, 197663, 329858, 395326, 25893853, 51787706]

約数ペア:

[(1, 51787706), (2, 25893853), (131, 395326), (157, 329858), (262, 197663), (314, 164929), (1259, 41134), (2518, 20567)]