1978394614

素因数分解:

$2^1\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{138679}}^1$

素因数の和:139707

約数の個数: 16

約数和(自身を含む): 3394886400

約数和(自身を除く): 1416491786

約数列:

[1, 2, 7, 14, 1019, 2038, 7133, 14266, 138679, 277358, 970753, 1941506, 141313901, 282627802, 989197307, 1978394614]

約数ペア:

[(1, 1978394614), (2, 989197307), (7, 282627802), (14, 141313901), (1019, 1941506), (2038, 970753), (7133, 277358), (14266, 138679)]