978011902

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1145213}}^1$

素因数の和:1145283

約数の個数: 16

約数和(自身を含む): 1704078432

約数和(自身を除く): 726066530

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 1145213, 2290426, 8016491, 16032982, 69857993, 139715986, 489005951, 978011902]

約数ペア:

[(1, 978011902), (2, 489005951), (7, 139715986), (14, 69857993), (61, 16032982), (122, 8016491), (427, 2290426), (854, 1145213)]