1243685264

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{559211}}^1$

素因数の和:559358

約数の個数: 20

約数和(自身を含む): 2426980080

約数和(自身を除く): 1183294816

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 559211, 1118422, 2236844, 4473688, 8947376, 77730329, 155460658, 310921316, 621842632, 1243685264]

約数ペア:

[(1, 1243685264), (2, 621842632), (4, 310921316), (8, 155460658), (16, 77730329), (139, 8947376), (278, 4473688), (556, 2236844), (1112, 1118422), (2224, 559211)]