129123556

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{7949}}^1$

素因数の和:8115

約数の個数: 24

約数和(自身を含む): 235065600

約数和(自身を除く): 105942044

約数列:

[1, 2, 4, 31, 62, 124, 131, 262, 524, 4061, 7949, 8122, 15898, 16244, 31796, 246419, 492838, 985676, 1041319, 2082638, 4165276, 32280889, 64561778, 129123556]

約数ペア:

[(1, 129123556), (2, 64561778), (4, 32280889), (31, 4165276), (62, 2082638), (124, 1041319), (131, 985676), (262, 492838), (524, 246419), (4061, 31796), (7949, 16244), (8122, 15898)]