1288752016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1964561}}^1$

素因数の和:1964610

約数の個数: 20

約数和(自身を含む): 2557859724

約数和(自身を除く): 1269107708

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1964561, 3929122, 7858244, 15716488, 31432976, 80547001, 161094002, 322188004, 644376008, 1288752016]

約数ペア:

[(1, 1288752016), (2, 644376008), (4, 322188004), (8, 161094002), (16, 80547001), (41, 31432976), (82, 15716488), (164, 7858244), (328, 3929122), (656, 1964561)]