2018660861

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1\times {\mathrm{4003}}^1$

素因数の和:5252

約数の個数: 16

約数和(自身を含む): 2347433088

約数和(自身を除く): 328772227

約数列:

[1, 7, 61, 427, 1181, 4003, 8267, 28021, 72041, 244183, 504287, 1709281, 4727543, 33092801, 288380123, 2018660861]

約数ペア:

[(1, 2018660861), (7, 288380123), (61, 33092801), (427, 4727543), (1181, 1709281), (4003, 504287), (8267, 244183), (28021, 72041)]