489502678

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{251543}}^1$

素因数の和:251691

約数の個数: 16

約数和(自身を含む): 845187840

約数和(自身を除く): 355685162

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 251543, 503086, 1760801, 3521602, 34964477, 69928954, 244751339, 489502678]

約数ペア:

[(1, 489502678), (2, 244751339), (7, 69928954), (14, 34964477), (139, 3521602), (278, 1760801), (973, 503086), (1946, 251543)]