213812858

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{109873}}^1$

素因数の和:110021

約数の個数: 16

約数和(自身を含む): 369176640

約数和(自身を除く): 155363782

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 109873, 219746, 769111, 1538222, 15272347, 30544694, 106906429, 213812858]

約数ペア:

[(1, 213812858), (2, 106906429), (7, 30544694), (14, 15272347), (139, 1538222), (278, 769111), (973, 219746), (1946, 109873)]