12784891

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 15554560

約数和(自身を除く): 2769669

約数列:

[1, 7, 19, 97, 133, 679, 991, 1843, 6937, 12901, 18829, 96127, 131803, 672889, 1826413, 12784891]

約数ペア:

[(1, 12784891), (7, 1826413), (19, 672889), (97, 131803), (133, 96127), (679, 18829), (991, 12901), (1843, 6937)]