2209985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 2861760

約数和(自身を除く): 651775

約数列:

[1, 5, 19, 43, 95, 215, 541, 817, 2705, 4085, 10279, 23263, 51395, 116315, 441997, 2209985]

約数ペア:

[(1, 2209985), (5, 441997), (19, 116315), (43, 51395), (95, 23263), (215, 10279), (541, 4085), (817, 2705)]