1289777321

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{6827}}^1$

素因数の和:7168

約数の個数: 16

約数和(自身を含む): 1492546176

約数和(自身を除く): 202768855

約数列:

[1, 7, 137, 197, 959, 1379, 6827, 26989, 47789, 188923, 935299, 1344919, 6547093, 9414433, 184253903, 1289777321]

約数ペア:

[(1, 1289777321), (7, 184253903), (137, 9414433), (197, 6547093), (959, 1344919), (1379, 935299), (6827, 188923), (26989, 47789)]