81390454

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1\times {\mathrm{1669}}^1$

素因数の和:2367

約数の個数: 16

約数和(自身を含む): 125650800

約数和(自身を除く): 44260346

約数列:

[1, 2, 37, 74, 659, 1318, 1669, 3338, 24383, 48766, 61753, 123506, 1099871, 2199742, 40695227, 81390454]

約数ペア:

[(1, 81390454), (2, 40695227), (37, 2199742), (74, 1099871), (659, 123506), (1318, 61753), (1669, 48766), (3338, 24383)]