81504436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{36451}}^1$

素因数の和:36511

約数の個数: 24

約数和(自身を含む): 157181024

約数和(自身を除く): 75676588

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 36451, 72902, 145804, 473863, 947726, 1567393, 1895452, 3134786, 6269572, 20376109, 40752218, 81504436]

約数ペア:

[(1, 81504436), (2, 40752218), (4, 20376109), (13, 6269572), (26, 3134786), (43, 1895452), (52, 1567393), (86, 947726), (172, 473863), (559, 145804), (1118, 72902), (2236, 36451)]