68221286

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{256471}}^1$

素因数の和:256499

約数の個数: 16

約数和(自身を含む): 123106560

約数和(自身を除く): 54885274

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 256471, 512942, 1795297, 3590594, 4872949, 9745898, 34110643, 68221286]

約数ペア:

[(1, 68221286), (2, 34110643), (7, 9745898), (14, 4872949), (19, 3590594), (38, 1795297), (133, 512942), (266, 256471)]