79820947871

素因数分解:

$7^1\times {\mathrm{421}}^1\times {\mathrm{2543}}^1\times {\mathrm{10651}}^1$

素因数の和:13622

約数の個数: 16

約数和(自身を含む): 91485170688

約数和(自身を除く): 11664222817

約数列:

[1, 7, 421, 2543, 2947, 10651, 17801, 74557, 1070603, 4484071, 7494221, 27085493, 31388497, 189598451, 11402992553, 79820947871]

約数ペア:

[(1, 79820947871), (7, 11402992553), (421, 189598451), (2543, 31388497), (2947, 27085493), (10651, 7494221), (17801, 4484071), (74557, 1070603)]