78822569

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1999}}^1$

素因数の和:2180

約数の個数: 16

約数和(自身を含む): 92928000

約数和(自身を除く): 14105431

約数列:

[1, 7, 43, 131, 301, 917, 1999, 5633, 13993, 39431, 85957, 261869, 601699, 1833083, 11260367, 78822569]

約数ペア:

[(1, 78822569), (7, 11260367), (43, 1833083), (131, 601699), (301, 261869), (917, 85957), (1999, 39431), (5633, 13993)]