81006658

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{21419}}^1$

素因数の和:21513

約数の個数: 16

約数和(自身を含む): 127491840

約数和(自身を除く): 46485182

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 21419, 42838, 663989, 1306559, 1327978, 2613118, 40503329, 81006658]

約数ペア:

[(1, 81006658), (2, 40503329), (31, 2613118), (61, 1327978), (62, 1306559), (122, 663989), (1891, 42838), (3782, 21419)]