1264140881999

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{2556821}}^1$

素因数の和:2557282

約数の個数: 16

約数和(自身を含む): 1340183819520

約数和(自身を除く): 76042937521

約数列:

[1, 31, 41, 389, 1271, 12059, 15949, 494419, 2556821, 79261451, 104829661, 994603369, 3249719491, 30832704439, 40778738129, 1264140881999]

約数ペア:

[(1, 1264140881999), (31, 40778738129), (41, 30832704439), (389, 3249719491), (1271, 994603369), (12059, 104829661), (15949, 79261451), (494419, 2556821)]