978954878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{339679}}^1$

素因数の和:339823

約数の個数: 16

約数和(自身を含む): 1614159360

約数和(自身を除く): 635204482

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 339679, 679358, 3736469, 7472938, 44497949, 88995898, 489477439, 978954878]

約数ペア:

[(1, 978954878), (2, 489477439), (11, 88995898), (22, 44497949), (131, 7472938), (262, 3736469), (1441, 679358), (2882, 339679)]