51580991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{35257}}^1$

素因数の和:35294

約数の個数: 16

約数和(自身を含む): 67695360

約数和(自身を除く): 16114369

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 35257, 246799, 387827, 669883, 2714789, 4689181, 7368713, 51580991]

約数ペア:

[(1, 51580991), (7, 7368713), (11, 4689181), (19, 2714789), (77, 669883), (133, 387827), (209, 246799), (1463, 35257)]