2987254

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:375

約数の個数: 16

約数和(自身を含む): 4609440

約数和(自身を除く): 1622186

約数列:

[1, 2, 71, 109, 142, 193, 218, 386, 7739, 13703, 15478, 21037, 27406, 42074, 1493627, 2987254]

約数ペア:

[(1, 2987254), (2, 1493627), (71, 42074), (109, 27406), (142, 21037), (193, 15478), (218, 13703), (386, 7739)]