2570538719

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{261739}}^1$

素因数の和:261830

約数の個数: 16

約数和(自身を含む): 3115752960

約数和(自身を除く): 545214241

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 261739, 1832173, 6019997, 15966079, 42139979, 111762553, 367219817, 2570538719]

約数ペア:

[(1, 2570538719), (7, 367219817), (23, 111762553), (61, 42139979), (161, 15966079), (427, 6019997), (1403, 1832173), (9821, 261739)]