78464981

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 96940800

約数和(自身を除く): 18475819

約数列:

[1, 7, 29, 43, 89, 101, 203, 301, 623, 707, 1247, 2581, 2929, 3827, 4343, 8729, 8989, 18067, 20503, 26789, 30401, 62923, 110983, 125947, 260681, 386527, 776881, 881629, 1824767, 2705689, 11209283, 78464981]

約数ペア:

[(1, 78464981), (7, 11209283), (29, 2705689), (43, 1824767), (89, 881629), (101, 776881), (203, 386527), (301, 260681), (623, 125947), (707, 110983), (1247, 62923), (2581, 30401), (2929, 26789), (3827, 20503), (4343, 18067), (8729, 8989)]