8128978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 14680512

約数和(自身を除く): 6551534

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 661, 946, 1118, 1322, 6149, 7271, 8593, 12298, 14542, 17186, 28423, 56846, 94523, 189046, 312653, 369499, 625306, 738998, 4064489, 8128978]

約数ペア:

[(1, 8128978), (2, 4064489), (11, 738998), (13, 625306), (22, 369499), (26, 312653), (43, 189046), (86, 94523), (143, 56846), (286, 28423), (473, 17186), (559, 14542), (661, 12298), (946, 8593), (1118, 7271), (1322, 6149)]