989898259

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{53831}}^1$

素因数の和:53946

約数の個数: 16

約数和(自身を含む): 1178274816

約数和(自身を除く): 188376557

約数列:

[1, 7, 37, 71, 259, 497, 2627, 18389, 53831, 376817, 1991747, 3822001, 13942229, 26754007, 141414037, 989898259]

約数ペア:

[(1, 989898259), (7, 141414037), (37, 26754007), (71, 13942229), (259, 3822001), (497, 1991747), (2627, 376817), (18389, 53831)]